| Czech league | Round | Result | H | A | 
		
			| 18.12. |  | Kovalik J. - Kratochvil O. |  | 6-2, 6-1 |  |  | 
		
			| 16.12. |  | Gombos N. - Kovalik J. |  | 6-4, 6-2 |  |  | 
		
			| France - Championship | Round | Result | H | A | 
		
			| 20.11. |  | Poullain L. - Kovalik J. |  | 6-1, 6-4 |  |  | 
		
			| 16.11. |  | Escoffier A. - Kovalik J. |  | 6-4, 6-4 |  |  | 
		
			| 09.11. |  | Kovalik J. - Butvilas E. |  | 3-6, 7-64, 12-10 |  |  | 
		
			| Belgrade | Round | Result | H | A | 
		
			| 03.11. |  | Klein L. - Kovalik J. | Q-QF | 3-6, 6-3, 6-1 | 1.29 | 3.47 | 
		
			| 02.11. |  | Kovalik J. - Piros Z. | Q-R16 | 4-6, 6-3, 6-4 | 2.24 | 1.62 | 
		
			| Bratislava challenger | Round | Result | H | A | 
		
			| 31.10. |  | Karatsev A. - Kovalik J. | R16 | 7-66, 6-1 | 1.26 | 3.54 | 
		
			| 29.10. |  | Kovalik J. - Van Assche L. | 1R | 4-6, 7-65, 7-60 | 4.49 | 1.18 | 
		
			| Braga challenger | Round | Result | H | A | 
		
			| 02.10. |  | Tabur C. - Kovalik J. | 1R | 4-3 | 2.92 | 1.37 | 
		
			| Lisbon challenger | Round | Result | H | A | 
		
			| 27.09. |  | Collignon R. - Kovalik J. | R16 | 6-3, 6-3 | 1.86 | 1.87 | 
		
			| 24.09. |  | Kovalik J. - Klizan M. | 1R | 6-3, 7-66 | 1.51 | 2.44 | 
		
			| Davis Cup | Round | Result | H | A | 
		
			| 15.09. |  | Kovalik J. - Tabilo A. |  | 6-4, 65-7, 6-1 | 5.71 | 1.12 | 
		
			| 13.09. |  | Nakashima B. - Kovalik J. |  | 6-3, 6-3 | 1.06 | 9.48 | 
		
			| 10.09. |  | Hanfmann Y. - Kovalik J. |  | 3-6, 6-3, 7-63 | 1.29 | 3.45 | 
		
			| Como challenger | Round | Result | H | A | 
		
			| 28.08. |  | Basilashvili N. - Kovalik J. | 1R | 6-2, 2-6, 6-4 | 2.26 | 1.57 | 
		
			| US Open | Round | Result | H | A | 
		
			| 19.08. |  | Hong S. - Kovalik J. | Q-1R | 6-4, 66-7, 7-5 | 1.40 | 2.82 | 
		
			| Bundesliga - men | Round | Result | H | A | 
		
			| 11.08. |  | Kovalik J. - Cachin P. |  | 6-3, 1-6, 10-6 |  |  | 
		
			| 09.08. |  | Kovalik J. - Sachko V. |  | 7-61, 6-4 |  |  | 
		
			| 04.08. |  | Marterer M. - Kovalik J. |  | 6-0, 4-6, 10-7 |  |  | 
		
			| 02.08. |  | Kovalik J. - Martinez P. |  | 6-3, 3-6, 10-7 |  |  | 
		
			| 28.07. |  | Kovalik J. - Jianu F. |  | 6-4, 6-3 |  |  | 
		
			| 21.07. |  | Elias G. - Kovalik J. |  | 5-7, 6-2, 10-8 |  |  | 
		
			| Umag | Round | Result | H | A | 
		
			| 20.07. |  | Misolic F. - Kovalik J. | Q-R16 | 6-4, 66-7, 6-3 | 2.45 | 1.53 | 
		
			| Bastad | Round | Result | H | A | 
		
			| 15.07. |  | Norrie C. - Kovalik J. | 1R | 7-63, 6-4 | 1.57 | 2.39 | 
		
			| Bundesliga - men | Round | Result | H | A | 
		
			| 14.07. |  | Kovalik J. - Griekspoor T. |  | 6-3, 6-4 |  |  | 
		
			| 12.07. |  | Kovalik J. - Rodriguez Taverna S. |  | 6-3, 7-63 |  |  | 
		
			| Braunschweig challenger | Round | Result | H | A | 
		
			| 09.07. |  | Klein L. - Kovalik J. | 1R | 63-7, 7-63, 6-1 | 1.88 | 1.86 | 
		
			| Karlsruhe challenger | Round | Result | H | A | 
		
			| 07.07. |  | Kovalik J. - Ugo Carabelli C. | F | 6-3, 7-62 | 1.82 | 1.89 | 
		
			| 07.07. |  | Kovalik J. - Masur D. | SF | 63-7, 6-0, 6-1 | 1.37 | 2.93 | 
		
			| 05.07. |  | Kovalik J. - Molleker R. | QF | 7-66, 6-2 | 1.62 | 2.19 | 
		
			| 04.07. |  | Kovalik J. - Gavrielides L. | R16 | 5-7, 6-3, 6-4 | 1.14 | 5.25 | 
		
			| 02.07. |  | Kovalik J. - Schell N. | 1R | 6-1, 6-2 | 1.04 | 10.43 | 
		
			| Wimbledon | Round | Result | H | A | 
		
			| 24.06. |  | Shimabukuro S. - Kovalik J. | Q-1R | 7-5, 6-3 | 1.37 | 3.02 | 
		
			| Bratislava 2 challenger | Round | Result | H | A | 
		
			| 15.06. |  | Rocha H. - Kovalik J. | SF | 6-3, 6-4 | 3.12 | 1.34 | 
		
			| 14.06. |  | Kovalik J. - Landaluce M. | QF | 6-3, 6-4 | 1.37 | 2.96 | 
		
			| 13.06. |  | Kovalik J. - Klizan M. | R16 | 4-6, 6-4, 6-2 | 1.61 | 2.23 | 
		
			| 12.06. |  | Kovalik J. - Gima S. | 1R | 6-3, 7-5 | 1.11 | 6.00 | 
		
			| French Open | Round | Result | H | A | 
		
			| 01.06. |  | Rune H. - Kovalik J. | 3R | 7-5, 6-1, 7-62 | 1.12 | 6.43 | 
		
			| 30.05. |  | Kovalik J. - Khachanov K. | 2R | 4-6, 4-6, 6-4, 6-3, 6-4 | 8.40 | 1.08 | 
		
			| 27.05. |  | Kovalik J. - Giron M. | 1R | 7-63, 6-4, 3-6, 7-65 | 2.11 | 1.74 | 
		
			| 24.05. |  | Burruchaga R. - Kovalik J. | Q-3R | 4-6, 7-62, 6-4 | 2.15 | 1.67 | 
		
			| 22.05. |  | Kovalik J. - Bonzi B. | Q-2R | 6-3, 6-2 | 1.71 | 2.10 | 
		
			| 20.05. |  | Kovalik J. - Paire B. | Q-1R | 6-1, 6-4 | 1.39 | 2.90 | 
		
			| Mauthausen challenger | Round | Result | H | A | 
		
			| 12.05. |  | Pouille L. - Kovalik J. | F | 6-3, 6-3 | 1.77 | 1.98 | 
		
			| 11.05. |  | Kovalik J. - Kuzmanov D. | SF | 610-7, 6-3, 6-0 | 1.53 | 2.40 | 
		
			| 10.05. |  | Kovalik J. - Melzer G. | QF | 7-66, 6-3 | 1.46 | 2.63 | 
		
			| 09.05. |  | Kovalik J. - Heide G. | R16 | 6-2, 6-1 | 1.59 | 2.28 | 
		
			| 07.05. |  | Kovalik J. - Gaubas V. | 1R | 6-0, 7-60 | 1.73 | 2.05 | 
		
			| Slovenská extraliga | Round | Result | H | A | 
		
			| 04.05. |  | Gombos N. - Kovalik J. |  | 6-4, 7-5 |  |  | 
		
			| 02.05. |  | Kovalik J. - Kellovsky D. |  | 6-2, 6-0 |  |  | 
		
			| 30.04. |  | Kovalik J. - Stehlik A. |  | 6-0, 6-1 |  |  | 
		
			| 28.04. |  | Kovalik J. - Hybl H. |  | 6-1, 6-2 |  |  | 
		
			| Rome 2 challenger | Round | Result | H | A | 
		
			| 24.04. |  | Harris B. - Kovalik J. | R16 | 6-3, 6-4 | 2.51 | 1.49 | 
		
			| 23.04. |  | Kovalik J. - Sanchez Izquierdo N. | 1R | 4-6, 7-64, 6-2 | 1.35 | 3.05 | 
		
			| Oeiras challenger | Round | Result | H | A | 
		
			| 16.04. |  | Napolitano S. - Kovalik J. | 1R | 7-61, 6-2 | 1.72 | 2.04 | 
		
			| Split challenger | Round | Result | H | A | 
		
			| 14.04. |  | Kovalik J. - Piros Z. | F | 6-4, 5-7, 7-5 | 2.15 | 1.65 | 
		
			| 13.04. |  | Kovalik J. - Bonzi B. | SF | 6-4, 6-3 | 1.78 | 1.96 | 
		
			| 12.04. |  | Kovalik J. - Travaglia S. | QF | 6-4, 7-62 | 1.51 | 2.46 | 
		
			| 10.04. |  | Kovalik J. - Halys Q. | R16 | 6-2, 3-6, 6-4 | 1.98 | 1.77 | 
		
			| 08.04. |  | Kovalik J. - Ionel N. | 1R | 6-4, 6-1 | 1.45 | 2.64 | 
		
			| Neapol challenger | Round | Result | H | A | 
		
			| 27.03. |  | Nardi L. - Kovalik J. | 1R | 6-3, 6-3 | 1.58 | 2.30 | 
		
			| Zadar challenger | Round | Result | H | A | 
		
			| 24.03. |  | Kovalik J. - Andreev A. | F | 6-4, 6-2 | 1.79 | 1.95 | 
		
			| 23.03. |  | Kovalik J. - Forejtek J. | SF | 6-4, 6-3 | 1.79 | 1.94 | 
		
			| 22.03. |  | Kovalik J. - Serdarusic N. | QF | 3-6, 6-3, 7-64 | 1.63 | 2.19 | 
		
			| 21.03. |  | Kovalik J. - Piros Z. | R16 | 0-6, 7-64, 6-3 | 2.58 | 1.46 | 
		
			| 19.03. |  | Kovalik J. - Furness E. | 1R | 6-0, 6-2 | 1.48 | 2.55 | 
		
			| Szekesfehervar challenger | Round | Result | H | A | 
		
			| 14.03. |  | Droguet T. - Kovalik J. | R16 | 6-4, 7-65 | 1.46 | 2.59 | 
		
			| 12.03. |  | Kovalik J. - Fajta P. | 1R | 6-2, 6-3 | 1.25 | 3.73 | 
		
			| Tenerife 3 challenger | Round | Result | H | A | 
		
			| 28.02. |  | Yunchaokete B. - Kovalik J. | R16 | 6-4, 6-4 | 1.59 | 2.28 | 
		
			| 27.02. |  | Kovalik J. - Radulov I. | 1R | 7-5, 6-2 | 1.21 | 4.23 | 
		
			| Tenerife 2 challenger | Round | Result | H | A | 
		
			| 23.02. |  | Travaglia S. - Kovalik J. | QF | 7-5, 3-6, 3-0 | 1.36 | 3.01 | 
		
			| 21.02. |  | Kovalik J. - Kuzmanov D. | R16 | 4-6, 7-64, 7-5 | 2.87 | 1.39 | 
		
			| 19.02. |  | Kovalik J. - Zusman R. | 1R | 7-65, 6-4 | 1.02 | 15.87 | 
		
			| Manama challenger | Round | Result | H | A | 
		
			| 13.02. |  | Shelbayh A. - Kovalik J. | 1R | 7-64, 6-3 | 1.32 | 3.25 | 
		
			| Buenos Aires 3 challenger | Round | Result | H | A | 
		
			| 18.01. |  | Popko D. - Kovalik J. | R16 | 6-3, 5-2 | 2.23 | 1.61 | 
		
			| 15.01. |  | Kovalik J. - Torres J. | 1R | 6-2, 3-6, 6-2 | 1.66 | 2.14 | 
		
			| Australian Open | Round | Result | H | A | 
		
			| 09.01. |  | Bellucci M. - Kovalik J. | Q-1R | 6-1, 4-6, 7-65 | 1.29 | 3.49 |