|   Houston challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 16.11. | 
			  | 
			Karlovic I. - O'Connell C. | 
			SF | 
			65-7, 6-3, 6-4 | 
			2.22 | 
			1.62 | 
		
		
			| 16.11. | 
			  | 
			O'Connell C. - Mmoh M. | 
			QF | 
			5-0 | 
			1.87 | 
			1.88 | 
		
		
			| 15.11. | 
			  | 
			O'Connell C. - Menendez-Maceiras A. | 
			R16 | 
			7-63, 6-4 | 
			1.42 | 
			2.74 | 
		
		
			| 13.11. | 
			  | 
			O'Connell C. - Vavassori A. | 
			2R | 
			6-3, 5-7, 6-4 | 
			1.20 | 
			4.33 | 
		
		
			|   Knoxville challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 10.11. | 
			  | 
			Mmoh M. - O'Connell C. | 
			F | 
			6-4, 6-4 | 
			1.74 | 
			2.03 | 
		
		
			| 09.11. | 
			  | 
			O'Connell C. - Paul T. | 
			SF | 
			7-63, 6-3 | 
			2.52 | 
			1.50 | 
		
		
			| 08.11. | 
			  | 
			O'Connell C. - Escobedo E. | 
			QF | 
			62-7, 6-4, 6-4 | 
			1.90 | 
			1.83 | 
		
		
			| 07.11. | 
			  | 
			O'Connell C. - Polansky P. | 
			R16 | 
			6-2, 6-3 | 
			1.48 | 
			2.55 | 
		
		
			| 05.11. | 
			  | 
			O'Connell C. - King K. | 
			2R | 
			7-5, 6-3 | 
			1.54 | 
			2.37 | 
		
		
			|   Charlottesville challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 01.11. | 
			  | 
			Pospisil V. - O'Connell C. | 
			R16 | 
			6-3, 6-2 | 
			1.19 | 
			4.39 | 
		
		
			| 29.10. | 
			  | 
			O'Connell C. - Bellucci T. | 
			2R | 
			6-3, 6-4 | 
			1.31 | 
			3.28 | 
		
		
			|   Las Vegas challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 19.10. | 
			  | 
			Pospisil V. - O'Connell C. | 
			SF | 
			6-4, 6-3 | 
			1.20 | 
			4.18 | 
		
		
			| 18.10. | 
			  | 
			O'Connell C. - Giron M. | 
			QF | 
			7-67, 3-6, 7-66 | 
			2.07 | 
			1.71 | 
		
		
			| 17.10. | 
			  | 
			O'Connell C. - Peniston R. | 
			R16 | 
			6-3, 5-7, 6-2 | 
			1.26 | 
			3.68 | 
		
		
			| 16.10. | 
			  | 
			O'Connell C. - Mejia N. | 
			2R | 
			6-3, 6-2 | 
			1.21 | 
			4.04 | 
		
		
			|   Fairfield challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 13.10. | 
			  | 
			O'Connell C. - Johnson S. | 
			F | 
			6-4, 6-4 | 
			3.66 | 
			1.26 | 
		
		
			| 12.10. | 
			  | 
			O'Connell C. - King K. | 
			SF | 
			6-3, 7-62 | 
			1.44 | 
			2.69 | 
		
		
			| 11.10. | 
			  | 
			O'Connell C. - Draper J. | 
			QF | 
			6-2, 6-3 | 
			1.68 | 
			2.11 | 
		
		
			| 11.10. | 
			  | 
			O'Connell C. - Gomez E. | 
			R16 | 
			6-1, 6-2 | 
			2.18 | 
			1.63 | 
		
		
			| 08.10. | 
			  | 
			O'Connell C. - Quiroz R. | 
			2R | 
			6-3, 6-4 | 
			1.75 | 
			2.00 | 
		
		
			|   Sibiu challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 22.09. | 
			  | 
			Petrovic D. - O'Connell C. | 
			F | 
			6-4, 6-2 | 
			1.89 | 
			1.84 | 
		
		
			| 21.09. | 
			  | 
			O'Connell C. - Sels J. | 
			SF | 
			4-6, 6-4, 6-2 | 
			1.85 | 
			1.89 | 
		
		
			| 20.09. | 
			  | 
			O'Connell C. - Kopriva V. | 
			QF | 
			7-5, 6-3 | 
			1.45 | 
			2.61 | 
		
		
			| 19.09. | 
			  | 
			O'Connell C. - Sousa P. | 
			R16 | 
			6-4, 6-1 | 
			2.96 | 
			1.37 | 
		
		
			| 17.09. | 
			  | 
			O'Connell C. - Hamou M. | 
			2R | 
			63-7, 7-64, 6-2 | 
			1.45 | 
			2.63 | 
		
		
			|   Banja Luka challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 10.09. | 
			  | 
			Pecotic M. - O'Connell C. | 
			2R | 
			6-3, 5-7, 7-63 | 
			2.77 | 
			1.41 | 
		
		
			|   Como challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 29.08. | 
			  | 
			Martin A. - O'Connell C. | 
			R16 | 
			6-2, 6-2 | 
			1.55 | 
			2.35 | 
		
		
			| 27.08. | 
			  | 
			O'Connell C. - Quinzi G. | 
			2R | 
			6-0, 64-7, 1-1 | 
			2.02 | 
			1.74 | 
		
		
			|   L'Aquila challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 20.08. | 
			  | 
			Alcaraz C. - O'Connell C. | 
			1R | 
			6-4, 6-2 | 
			2.10 | 
			1.68 | 
		
		
			|   Cordenons challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 18.08. | 
			  | 
			O'Connell C. - Jahn J. | 
			F | 
			7-5, 6-2 | 
			2.25 | 
			1.60 | 
		
		
			| 17.08. | 
			  | 
			O'Connell C. - Piros Z. | 
			SF | 
			7-63, 6-2 | 
			2.02 | 
			1.74 | 
		
		
			| 16.08. | 
			  | 
			O'Connell C. - Cerundolo F. | 
			QF | 
			6-1, 1-6, 6-3 | 
			1.74 | 
			2.01 | 
		
		
			| 15.08. | 
			  | 
			O'Connell C. - Brkic T. | 
			R16 | 
			6-4, 6-2 | 
			1.50 | 
			2.46 | 
		
		
			| 13.08. | 
			  | 
			O'Connell C. - Inserra N. | 
			2R | 
			6-2, 6-3 | 
			  | 
			  | 
		
		
			| 12.08. | 
			  | 
			O'Connell C. - Tseng C. | 
			1R | 
			1-6, 6-4, 7-5 | 
			1.98 | 
			1.76 | 
		
		
			|   Sopoty challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 01.08. | 
			  | 
			Karatsev A. - O'Connell C. | 
			R16 | 
			6-2, 6-1 | 
			1.72 | 
			2.04 | 
		
		
			| 31.07. | 
			  | 
			O'Connell C. - Robredo T. | 
			2R | 
			6-4, 7-64 | 
			2.50 | 
			1.49 | 
		
		
			| 30.07. | 
			  | 
			O'Connell C. - Dalla Valle E. | 
			1R | 
			6-0, 6-2 | 
			1.52 | 
			2.41 | 
		
		
			|   Tampere challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 24.07. | 
			  | 
			Krstin P. - O'Connell C. | 
			2R | 
			6-4, 1-6, 6-3 | 
			2.16 | 
			1.64 | 
		
		
			| 23.07. | 
			  | 
			O'Connell C. - Sultanov K. | 
			1R | 
			7-5, 6-4 | 
			1.27 | 
			3.53 | 
		
		
			|   San Benedetto challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 17.07. | 
			  | 
			Giannessi A. - O'Connell C. | 
			2R | 
			7-64, 6-3 | 
			1.50 | 
			2.44 | 
		
		
			| 16.07. | 
			  | 
			O'Connell C. - Balzerani R. | 
			1R | 
			7-5, 6-3 | 
			1.21 | 
			4.13 | 
		
		
			|   Futures 2019 | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 14.07. | 
			  | 
			Lindell C. - O'Connell C. | 
			F | 
			7-65, 5-7, 6-3 | 
			2.34 | 
			1.49 | 
		
		
			| 13.07. | 
			  | 
			O'Connell C. - Brouwer G. | 
			SF | 
			6-4, 4-6, 7-64 | 
			1.35 | 
			2.91 | 
		
		
			| 12.07. | 
			  | 
			O'Connell C. - Varillas J. | 
			QF | 
			6-3, 1-6, 6-4 | 
			1.73 | 
			1.98 | 
		
		
			| 11.07. | 
			  | 
			O'Connell C. - Fonio G. | 
			R16 | 
			6-1, 6-2 | 
			1.20 | 
			3.96 | 
		
		
			| 09.07. | 
			  | 
			O'Connell C. - Avidzba A. | 
			1R | 
			6-1, 6-4 | 
			1.40 | 
			2.65 | 
		
		
			| 25.06. | 
			  | 
			Kopriva V. - O'Connell C. | 
			1R | 
			3-6, 6-4, 6-1 | 
			2.65 | 
			1.39 | 
		
		
			| 23.06. | 
			  | 
			O'Connell C. - Madarasz G. | 
			F | 
			6-3, 6-1 | 
			1.09 | 
			6.03 | 
		
		
			| 22.06. | 
			  | 
			O'Connell C. - Kestelboim M. | 
			SF | 
			6-1, 64-7, 6-1 | 
			1.16 | 
			4.33 | 
		
		
			| 21.06. | 
			  | 
			O'Connell C. - Tepavac M. | 
			QF | 
			6-2, 7-65 | 
			1.42 | 
			2.58 | 
		
		
			| 20.06. | 
			  | 
			O'Connell C. - Broom C. | 
			R16 | 
			6-1, 6-0 | 
			1.02 | 
			9.51 | 
		
		
			| 19.06. | 
			  | 
			O'Connell C. - Hijikata R. | 
			1R | 
			6-2, 6-1 | 
			1.04 | 
			8.39 | 
		
		
			| 02.06. | 
			  | 
			Cerundolo F. - O'Connell C. | 
			F | 
			3-6, 6-2, 6-4 | 
			2.21 | 
			1.57 | 
		
		
			| 02.06. | 
			  | 
			O'Connell C. - Villanueva G. | 
			SF | 
			3-6, 6-4, 10-7 | 
			1.56 | 
			2.25 | 
		
		
			| 02.06. | 
			  | 
			O'Connell C. - Fatic N. | 
			QF | 
			7-63, 6-4 | 
			1.42 | 
			2.58 | 
		
		
			| 30.05. | 
			  | 
			O'Connell C. - Correia J. | 
			R16 | 
			6-2, 6-3 | 
			1.28 | 
			3.29 | 
		
		
			| 29.05. | 
			  | 
			O'Connell C. - Jandric D. | 
			1R | 
			6-1, 6-3 | 
			1.02 | 
			9.53 | 
		
		
			| 26.05. | 
			  | 
			Ficovich J. - O'Connell C. | 
			F | 
			6-4, 6-4 | 
			2.32 | 
			1.52 | 
		
		
			| 25.05. | 
			  | 
			O'Connell C. - Pichler D. | 
			SF | 
			6-1, 4-0 | 
			1.30 | 
			3.19 | 
		
		
			| 24.05. | 
			  | 
			O'Connell C. - Cerundolo F. | 
			QF | 
			7-63, 6-2 | 
			1.59 | 
			2.15 | 
		
		
			| 23.05. | 
			  | 
			O'Connell C. - Ratniuk M. | 
			R16 | 
			6-1, 6-1 | 
			1.08 | 
			6.39 | 
		
		
			| 22.05. | 
			  | 
			O'Connell C. - Cerundolo J. | 
			1R | 
			6-1, 6-4 | 
			1.17 | 
			4.22 | 
		
		
			| 19.05. | 
			  | 
			O'Connell C. - Van De Zandschulp B. | 
			F | 
			6-4, 7-61 | 
			2.23 | 
			1.56 | 
		
		
			| 18.05. | 
			  | 
			O'Connell C. - Fatic N. | 
			SF | 
			67-7, 6-1, 4-2 | 
			1.56 | 
			2.21 | 
		
		
			| 17.05. | 
			  | 
			O'Connell C. - Ficovich J. | 
			QF | 
			6-4, 6-3 | 
			1.80 | 
			1.85 | 
		
		
			| 16.05. | 
			  | 
			O'Connell C. - Faivre P. | 
			R16 | 
			7-5, 6-1 | 
			1.15 | 
			4.58 | 
		
		
			| 15.05. | 
			  | 
			O'Connell C. - Durguti B. | 
			1R | 
			6-1, 6-4 | 
			1.02 | 
			9.42 | 
		
		
			| 10.05. | 
			  | 
			Dancu V. - O'Connell C. | 
			QF | 
			6-3, 6-4 | 
			7.13 | 
			1.06 | 
		
		
			| 10.05. | 
			  | 
			O'Connell C. - Celebic L. | 
			R16 | 
			6-3, 6-3 | 
			1.24 | 
			3.60 | 
		
		
			| 08.05. | 
			  | 
			O'Connell C. - Deviatiarov M. | 
			1R | 
			6-4, 7-5 | 
			1.09 | 
			5.93 | 
		
		
			| 28.04. | 
			  | 
			O'Connell C. - Forejtek J. | 
			F | 
			2-6, 6-4, 6-1 | 
			1.40 | 
			2.68 | 
		
		
			| 27.04. | 
			  | 
			O'Connell C. - Orlov V. | 
			SF | 
			6-2, 6-1 | 
			1.04 | 
			8.02 | 
		
		
			| 26.04. | 
			  | 
			O'Connell C. - Kuzmanov D. | 
			QF | 
			6-4, 7-67 | 
			2.30 | 
			1.52 | 
		
		
			| 25.04. | 
			  | 
			O'Connell C. - Mertl J. | 
			R16 | 
			7-61, 6-2 | 
			1.23 | 
			3.66 | 
		
		
			| 24.04. | 
			  | 
			O'Connell C. - Cekirge K. | 
			1R | 
			6-4, 6-3 | 
			1.01 | 
			12.94 | 
		
		
			| 21.04. | 
			  | 
			Heyman C. - O'Connell C. | 
			F | 
			4-6, 6-3, 7-60 | 
			2.33 | 
			1.52 | 
		
		
			| 20.04. | 
			  | 
			O'Connell C. - Machac T. | 
			SF | 
			6-0, 6-2 | 
			1.57 | 
			2.22 | 
		
		
			| 19.04. | 
			  | 
			O'Connell C. - De Jong J. | 
			QF | 
			6-2, 6-2 | 
			1.31 | 
			3.12 | 
		
		
			| 18.04. | 
			  | 
			O'Connell C. - Forejtek J. | 
			R16 | 
			6-3, 7-65 | 
			1.46 | 
			2.46 | 
		
		
			| 17.04. | 
			  | 
			O'Connell C. - Bilgin B. | 
			1R | 
			6-0, 6-2 | 
			1.00 | 
			15.00 | 
		
		
			| 14.04. | 
			  | 
			Slobodshikov R. - O'Connell C. | 
			F | 
			7-65, 3-6, 6-1 | 
			2.89 | 
			1.36 | 
		
		
			| 13.04. | 
			  | 
			O'Connell C. - Machac T. | 
			SF | 
			6-1, 6-3 | 
			1.83 | 
			1.81 | 
		
		
			| 12.04. | 
			  | 
			O'Connell C. - Niklas-Salminen P. | 
			QF | 
			7-62, 6-1 | 
			1.41 | 
			2.62 | 
		
		
			| 11.04. | 
			  | 
			O'Connell C. - Agafonov E. | 
			R16 | 
			6-1, 7-65 | 
			1.02 | 
			9.55 | 
		
		
			| 10.04. | 
			  | 
			O'Connell C. - Dancu V. | 
			1R | 
			6-2, 7-5 | 
			1.17 | 
			4.35 | 
		
		
			| 31.03. | 
			  | 
			Bourchier H. - O'Connell C. | 
			F | 
			6-4, 4-6, 6-3 | 
			  | 
			  | 
		
		
			| 31.03. | 
			  | 
			O'Connell C. - Grills J. | 
			SF | 
			7-64, 6-3 | 
			1.57 | 
			2.21 | 
		
		
			| 29.03. | 
			  | 
			O'Connell C. - Castelnuovo L. | 
			QF | 
			6-3, 7-65 | 
			1.11 | 
			5.55 | 
		
		
			| 28.03. | 
			  | 
			O'Connell C. - Sweeny D. | 
			R16 | 
			7-63, 6-2 | 
			1.03 | 
			8.80 | 
		
		
			| 27.03. | 
			  | 
			O'Connell C. - Bosnjak M. | 
			1R | 
			6-3, 6-4 | 
			1.04 | 
			8.28 | 
		
		
			| 24.03. | 
			  | 
			Bourchier H. - O'Connell C. | 
			F | 
			6-4, 6-4 | 
			2.26 | 
			1.55 | 
		
		
			| 23.03. | 
			  | 
			O'Connell C. - Castelnuovo L. | 
			SF | 
			6-4, 7-66 | 
			1.17 | 
			4.19 | 
		
		
			| 22.03. | 
			  | 
			O'Connell C. - Addison A. | 
			QF | 
			7-65, 6-4 | 
			1.06 | 
			7.26 | 
		
		
			| 21.03. | 
			  | 
			O'Connell C. - Kawachi K. | 
			R16 | 
			6-2, 6-2 | 
			1.06 | 
			7.09 | 
		
		
			| 20.03. | 
			  | 
			O'Connell C. - Puttergill C. | 
			1R | 
			6-1, 6-4 | 
			1.10 | 
			5.77 | 
		
		
			| 08.03. | 
			  | 
			Klein B. - O'Connell C. | 
			QF | 
			3-6, 6-2, 6-3 | 
			1.43 | 
			2.57 | 
		
		
			| 07.03. | 
			  | 
			O'Connell C. - Fancutt T. | 
			R16 | 
			6-3, 7-63 | 
			1.35 | 
			2.93 | 
		
		
			| 06.03. | 
			  | 
			O'Connell C. - Castelnuovo L. | 
			1R | 
			7-62, 6-2 | 
			1.22 | 
			3.75 | 
		
		
			| 02.03. | 
			  | 
			Romios M. - O'Connell C. | 
			SF | 
			6-1, 3-0 | 
			3.47 | 
			1.26 | 
		
		
			| 01.03. | 
			  | 
			O'Connell C. - Noguchi R. | 
			QF | 
			6-4, 6-3 | 
			1.43 | 
			2.57 | 
		
		
			| 28.02. | 
			  | 
			O'Connell C. - Shimizu Y. | 
			R16 | 
			6-3, 3-6, 6-1 | 
			1.83 | 
			1.82 | 
		
		
			| 27.02. | 
			  | 
			O'Connell C. - Boyer D. | 
			1R | 
			6-1, 7-65 | 
			1.20 | 
			3.99 | 
		
		
			|   Launceston challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 28.01. | 
			  | 
			Ellis B. - O'Connell C. | 
			1R | 
			7-64, 6-4 | 
			2.11 | 
			1.66 | 
		
		
			|   Burnie challenger | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 23.01. | 
			  | 
			Soeda G. - O'Connell C. | 
			2R | 
			6-4, 6-2 | 
			1.60 | 
			2.22 | 
		
		
			| 22.01. | 
			  | 
			O'Connell C. - Wu D. | 
			1R | 
			7-68, 7-64 | 
			1.69 | 
			2.07 | 
		
		
			|   Sydney | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 06.01. | 
			  | 
			Andreozzi G. - O'Connell C. | 
			Q-R16 | 
			4-6, 6-4, 6-3 | 
			1.59 | 
			2.27 | 
		
		
			|   Brisbane | 
			Round | 
			Result | 
			H | 
			A | 
		
		
			| 29.12. | 
			  | 
			Garin C. - O'Connell C. | 
			Q-R16 | 
			6-4, 6-4 | 
			1.19 | 
			4.39 |