- Born
- 1997-03-23 in Geneva, Switzerland
- Hand
- Right
- Backhand
- 2 Hands
- Height
- 173 cm
- Weight
- 68 kg
- Coach
- José Ferrol Garcia
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Johan Nikles
Johan Nikles has played only 4 matches — too small a sample to draw firm conclusions about their career record.
| 6-3 7-5 |
| 2022-05-16 | Geneva | Clay | R32 | 317 | 301 | 5-7 7-6(3) 7-5 |
| 2021-07-19 | Gstaad | Clay | R32 | 249 | 409 | 6-2 6-1 |
| 2016-07-18 | Gstaad | Clay | R32 | 66 | 874 | 6-3 6-2 |