| Champaign challenger | Round | Result | H | A | 
		
			| 16.11. |  | Corri / Smeth - Kraji / Sandg | F | 7-65, 0-6, 10-7 | 3.37 | 1.29 | 
		
			| 15.11. |  | Kraji / Sandg - Shaba / Singh | SF | 63-7, 6-3, 10-7 | 1.38 | 2.80 | 
		
			| 14.11. |  | Kraji / Sandg - Hiltz / Jesse | QF | 6-4, 6-2 |  |  | 
		
			| 14.11. |  | Kraji / Sandg - King / Kutro | R16 | 6-4, 6-4 | 1.22 | 4.00 | 
		
			| Knoxville challenger | Round | Result | H | A | 
		
			| 09.11. |  | Ball / Polan - Kraji / Sandg | SF | 6-3, 7-63 | 2.10 | 1.66 | 
		
			| 08.11. |  | Kraji / Sandg - Johns / Smycz | QF | 7-61, 6-4 |  |  | 
		
			| 06.11. |  | Kraji / Sandg - Pokra / Zivko | R16 | 2-6, 6-2, 10-8 | 1.36 | 3.00 | 
		
			| Charlottesville challenger | Round | Result | H | A | 
		
			| 02.11. |  | Jenki / Young - Kraji / Sandg | SF | 6-4, 5-7, 10-8 | 2.15 | 1.62 | 
		
			| 31.10. |  | Kraji / Sandg - Devva / Singh | QF | 6-4, 6-2 | 1.34 | 3.08 | 
		
			| 30.10. |  | Kraji / Sandg - Herna / Pokra | R16 | 6-4, 3-6, 11-9 | 1.28 | 3.50 | 
		
			| Sacramento challenger | Round | Result | H | A | 
		
			| 02.10. |  | Jenki / Young - Sandg / Willi | R16 | 6-3, 6-2 | 4.00 | 1.22 | 
		
			| Napa challenger | Round | Result | H | A | 
		
			| 26.09. |  | Kokki / Mitch - Sandg / Willi | R16 | 4-6, 6-2, 10-7 | 7.50 | 1.07 | 
		
			| Izmir challenger | Round | Result | H | A | 
		
			| 21.09. |  | Kraji / Sandg - Klein / Propo | F | 7-64, 6-4 | 1.77 | 1.92 | 
		
			| 20.09. |  | Kraji / Sandg - Ignat / March | SF | 7-66, 6-3 | 1.54 | 2.31 | 
		
			| 18.09. |  | Kraji / Sandg - Basic / Wu D. | QF | 6-1, 7-5 | 1.41 | 2.68 | 
		
			| 16.09. |  | Kraji / Sandg - Altun / Ergud | R16 | 6-3, 6-2 | 1.30 | 3.10 | 
		
			| Istanbul challenger | Round | Result | H | A | 
		
			| 12.09. |  | Clusk / Menen - Kraji / Sandg | QF | 6-3, 64-7, 10-4 | 2.08 | 1.66 | 
		
			| 10.09. |  | Kraji / Sandg - Ergen / Yukse | R16 | 6-2, 6-0 |  |  | 
		
			| Aptos challenger | Round | Result | H | A | 
		
			| 08.08. |  | Dusto / Jazir - Odesn / Sandg | R16 | 7-5, 7-5 | 1.85 | 1.82 | 
		
			| Vancouver challenger | Round | Result | H | A | 
		
			| 31.07. |  | Reix / Rochu - Jones / Sandg | R16 |  | 1.83 | 1.83 | 
		
			| Futures 2013 | Round | Result | H | A | 
		
			| 12.07. |  | Kraji / Sandg - Borva / Pokra | F | 6-4, 3-6, 10-6 |  |  | 
		
			| 11.07. |  | Kraji / Sandg - Meist / Mitch | SF | 6-3, 6-1 |  |  | 
		
			| 10.07. |  | Kraji / Sandg - Barto / Coope | QF | 6-1, 6-2 |  |  | 
		
			| 09.07. |  | Kraji / Sandg - Schnu / Uchid | R16 | 6-4, 6-0 |  |  | 
		
			| Winnetka challenger | Round | Result | H | A | 
		
			| 05.07. |  | Bhamb / Venus - Kraji / Sandg | SF | 7-62, 7-63 | 2.36 | 1.52 | 
		
			| 04.07. |  | Kraji / Sandg - Dusto / Pavic | QF | 6-4, 7-5 |  |  | 
		
			| Tangier challenger | Round | Result | H | A | 
		
			| 20.06. |  | Neuch / Pavic - Melze / Sandg | SF | 6-3, 6-0 | 2.13 | 1.64 | 
		
			| 19.06. |  | Melze / Sandg - Poch / Walsh | QF | 6-3, 7-66 | 1.08 | 6.00 | 
		
			| 18.06. |  | Melze / Sandg - Burqu / Vivan | R16 | 3-6, 6-3, 10-3 |  |  | 
		
			| Kosice challenger | Round | Result | H | A | 
		
			| 12.06. |  | Kukus / Uzhyl - Melze / Sandg | QF | 2-6, 6-3, 10-8 |  |  | 
		
			| 10.06. |  | Melze / Sandg - Danis / Fabia | R16 | 7-5, 6-3 |  |  | 
		
			| Arad challenger | Round | Result | H | A | 
		
			| 04.06. |  | Eysse / Renav - Polan / Sandg | R16 | 7-65, 6-2 | 2.20 | 1.57 | 
		
			| Futures 2013 | Round | Result | H | A | 
		
			| 28.05. |  | Klahn / Venus - Fago / Sandg | R16 | 6-1, 4-6, 10-2 |  |  | 
		
			| Tallahassee chall. | Round | Result | H | A | 
		
			| 04.05. |  | Kraji / Sandg - Jones / Polan | F | 1-6, 6-2, 10-8 | 1.62 | 2.15 | 
		
			| 04.05. |  | Kraji / Sandg - Rice / Thorn | SF | 6-4, 7-67 | 1.47 | 2.49 | 
		
			| 01.05. |  | Kraji / Sandg - Basil / Melze | QF | 6-4, 6-4 | 1.40 | 2.70 | 
		
			| Savannah challenger | Round | Result | H | A | 
		
			| 25.04. |  | Russe / Smycz - Sandg / Willi | QF | 4-6, 7-60, 13-11 | 2.00 | 1.72 | 
		
			| 24.04. |  | Sandg / Willi - Bozol / Devva | R16 | 6-3, 2-6, 10-6 | 1.83 | 1.83 | 
		
			| Sarasota challenger | Round | Result | H | A | 
		
			| 17.04. |  | Johns / Klahn - Sandg / Willi | QF | 65-7, 6-4, 10-4 | 2.37 | 1.53 | 
		
			| 15.04. |  | Sandg / Willi - Sock / Zhang | R16 | 7-63, 6-1 | 1.56 | 2.25 | 
		
			| Futures 2013 | Round | Result | H | A | 
		
			| 10.04. |  | Aubon / Nevol - Bucha / Sandg | QF | 6-2, 6-2 | 3.10 | 1.28 | 
		
			| 09.04. |  | Bucha / Sandg - Barad / Bonda | R16 | 6-1, 6-4 |  |  | 
		
			| San Luis Potosi chall. | Round | Result | H | A | 
		
			| 26.03. |  | Lojda / Millm - Mirza / Sandg | R16 | 2-6, 6-3, 10-5 |  |  | 
		
			| Futures 2013 | Round | Result | H | A | 
		
			| 20.03. |  | Bader / Ellio - Ball / Sandg | QF | 6-2, 6-3 | 4.50 | 1.14 | 
		
			| 12.03. |  | Mynen / Singh - Ball / Sandg | R16 | 6-2, 6-0 |  |  | 
		
			| Dallas challenger | Round | Result | H | A | 
		
			| 10.02. |  | Kuzne / Zvere - Sandg / Willi | F | 6-4, 64-7, 10-5 | 1.83 | 1.83 | 
		
			| 09.02. |  | Sandg / Willi - Britt / Kraji | SF | 64-7, 6-4, 10-6 | 2.05 | 1.67 | 
		
			| 07.02. |  | Sandg / Willi - De Vo / Demol | QF | 6-4, 6-0 | 2.25 | 1.56 | 
		
			| 06.02. |  | Sandg / Willi - Kosak / Mirza | R16 | 6-1, 6-3 | 1.30 | 3.25 | 
		
			| Honolulu challenger | Round | Result | H | A | 
		
			| 27.01. |  | Lee H / Peng - Sandg / Willi | F | 61-7, 6-2, 10-5 | 2.05 | 1.68 | 
		
			| 26.01. |  | Sandg / Willi - Ander / Mirza | SF | 6-2, 6-4 | 1.68 | 2.05 | 
		
			| 24.01. |  | Sandg / Willi - Monro / Young | QF | 1-6, 6-2, 10-3 |  |  | 
		
			| 22.01. |  | Sandg / Willi - Michn / Moret | R16 | 6-1, 6-4 |  |  |