Johan Nikles (born 23 March 1997) is a Swiss tennis player.
| Country (sports) |  Switzerland |
|---|---|
| Residence | Geneva, Switzerland |
| Born | 23 March 1997 (age 27) Geneva, Switzerland |
| Height | 1.73 m (5 ft 8 in) |
| Plays | Right-handed (two handed-backhand) |
| Coach | Antony Dupuis |
| Prize money | $133,750 |
| Singles | |
| Career record | 1–3 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 256 (11 July 2022) |
| Current ranking | No. 490 (6 March 2023) |
| Grand Slam singles results | |
| Australian Open Junior | 1R (2015) |
| French Open Junior | 1R (2015) |
| Wimbledon Junior | 3R (2015) |
| US Open Junior | 1R (2015) |
| Doubles | |
| Career record | 1–3 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Career titles | 0 |
| Highest ranking | No. 357 (3 October 2022) |
| Current ranking | No. 425 (20 March 2023) |
| Grand Slam doubles results | |
| Australian Open Junior | 2R (2015) |
| French Open Junior | QF (2015) |
| Wimbledon Junior | 1R (2015) |
| US Open Junior | 1R (2015) |
| Last updated on: 20 March 2023. | |
Nikles has a career high ATP singles ranking of World No. 256 achieved on 11 July 2022. He also has a career high ATP doubles ranking of World No. 357 achieved on 3 October 2022.
On the junior tour, Nikles has a career high ITF junior ranking of No. 26 achieved in January 2015.
Nikles made his ATP main draw debut at the 2016 Swiss Open Gstaad, receiving a singles main draw wildcard.
He qualified for the 2022 Geneva Open defeating 3rd seed Peter Gojowczyk and 8th seed Lukáš Rosol[1] and won his first ATP singles main draw match against compatriot wildcard Leandro Riedi saving three match balls.[2] He lost to Tallon Griekspoor in the second round.[3] As a result he moved 40 positions up into the top 300.