Stadium: Center Round: 25 Ground: Clay
| Challenger Drummondville | 2018/03/15 22:30 | Vasek Pospisil v Nicolaas Scholtz | 7-6,7-5 |
| Challenger Drummondville | 2018/03/13 18:00 | Benjamin Sigouin v Nicolaas Scholtz | 1-6,6-2,4-6 |
| Challenger Indian Wells | 2018/02/27 21:40 | Nicolaas Scholtz v Dennis Novikov | 7-6,4-6,4-6 |
| Challenger Indian Wells Qual | 2018/02/26 00:20 | Alexander Sarkissian v Nicolaas Scholtz | 7-6,3-6,6-3 |
| Challenger Indian Wells Qual | 2018/02/24 22:50 | Jeevan Nedunchezhiyan v Nicolaas Scholtz | 3-6,2-6 |
| Challenger Morelos | 2018/02/19 16:30 | Christopher Eubanks v Nicolaas Scholtz | 6-3,6-4 |
| Davis Cup | 2018/02/03 13:35 | Nicolaas Scholtz v Edan Leshem | 3-6,5-7 |
| Davis Cup | 2018/02/02 15:35 | Nicolaas Scholtz v Dudi Sela | 1-6,7-6,5-7 |