Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| Challenger Las Vegas | 2018/10/23 20:10 | Jelle Sels v John-Patrick Smith | 7-6,5-7,4-6 |
| Challenger Calgary | 2018/10/17 21:40 | Enzo Couacaud v John-Patrick Smith | 7-5,7-5 |
| Challenger Calgary | 2018/10/16 19:45 | John-Patrick Smith v Tom Fawcett | 7-6,7-6 |
| Challenger Fairfield | 2018/10/09 22:00 | Bjorn Fratangelo v John-Patrick Smith | 3-6,6-2,6-4 |
| Challenger Stockton | 2018/10/01 21:20 | Mitchell Krueger v John-Patrick Smith | 3-6,6-3,6-4 |
| Challenger Tiburon | 2018/09/28 18:00 | Marcel Granollers v John-Patrick Smith | 6-2,6-3 |
| Challenger Tiburon | 2018/09/26 18:00 | John-Patrick Smith v Bjorn Fratangelo | 1-6,6-4,6-2 |
| Challenger Tiburon | 2018/09/25 17:00 | John-Patrick Smith v Pedro Martinez | 6-4,6-2 |
| Challenger Las Vegas | 2018/10/23 21:00 | Mikael Torpegaard v Cem Ilkel | 4-6,6-3,6-7 |
| Challenger Calgary | 2018/10/18 18:20 | Roberto Quiroz v Cem Ilkel | 6-4,6-3 |
| Challenger Calgary | 2018/10/16 18:05 | Cem Ilkel v Nino Serdarusic | 7-5,7-5 |
| Challenger Fairfield | 2018/10/09 17:00 | Sebastian Fanselow v Cem Ilkel | 6-2,5-7,6-0 |
| Challenger Stockton | 2018/10/01 21:30 | Christopher Eubanks v Cem Ilkel | 6-4,7-6 |
| Challenger Tiburon | 2018/09/26 18:00 | Marcel Granollers v Cem Ilkel | 6-2,7-5 |
| Challenger Tiburon | 2018/09/25 18:50 | Cem Ilkel v Lucas Miedler | 4-6,6-4,6-3 |
| Challenger Tiburon | 2018/09/24 17:00 | Cem Ilkel v Luke Saville | 6-3,6-7,6-3 |