Stadium: Court 2 Round: 46 Ground: Hardcourt outdoor
| Challenger Fairfield Qual | 2016/10/08 20:25 | Ruan Roelofse v Collin Altamirano | 6-3,4-6,7-6 |
| Challenger Stockton Qual | 2017/09/30 20:00 | Tadiwa Chinamo v Collin Altamirano | 6-4,2-6,0-6 |
| ITF USA F32 | 2017/09/26 20:20 | Brandon Holt v Collin Altamirano | 6-2,6-1 |
| ITF USA F31 | 2017/09/23 18:15 | Henry Craig v Collin Altamirano | 6-4,6-4 |
| ITF USA F31 | 2017/09/22 19:20 | Collin Altamirano v Tom Fawcett | 6-1,6-2 |
| ITF USA F31 | 2017/09/21 22:05 | Gianni Ross v Collin Altamirano | 6-7,3-6 |
| ITF USA F31 | 2017/09/20 17:00 | Collin Altamirano v Raleigh Smith | 6-1,6-2 |
| ITF USA F30 | 2017/09/12 17:00 | Collin Altamirano v Ronnie Schneider | 6-4,1-6,2-6 |
| ITF USA F9 | 2017/02/28 17:40 | Collin Altamirano v Sekou Bangoura | 5-7,1-6 |
| Challenger Stockton Qual | 2017/09/30 19:35 | Ruan Roelofse v Naoki Nakagawa | 6-7,6-2,6-1 |
| Challenger Alphen Qual | 2017/09/03 10:15 | Ruan Roelofse v Ben Patael | 2-6,3-6 |
| Challenger Aptos Qual | 2017/08/05 21:05 | Ruan Roelofse v Marinko Matosevic | 2-6,4-6 |
| Challenger Aptos Qual | 2017/08/05 17:30 | Ruan Roelofse v Brian Brogan | 6-3,6-1 |
| Challenger Lexington Qual | 2017/07/29 15:40 | Ruan Roelofse v Mark Verryth | 3-6,4-6 |
| Challenger Busan Qual | 2017/05/14 04:35 | Ruan Roelofse v Edward Corrie | 4-6,1-6 |
| Challenger Busan Qual | 2017/05/13 06:00 | Jackson Withrow v Ruan Roelofse | 4-6,6-3,6-7 |
| Challenger Anning Qual | 2017/04/22 02:00 | Ruan Roelofse v Felix Auger Aliassime | 7-6,6-7,2-6 |