| Challenger Bratislava | 06/06 10:10 | 19 | [281] Johan Nikles v Jonathan Mridha [462] | 6-2,4-6,6-2 | |
| Challenger Bratislava | 06/05 14:05 | 14 | [276] Johan Nikles v Gergely Madarasz [449] | 6-4,7-6 | |
| Challenger Poznan | 05/29 12:35 | 14 | [277] Johan Nikles v Elmar Ejupovic [419] | 3-6,4-6 | |
| ATP Geneva | 05/18 13:25 | 26 |
[64] Tallon Griekspoor
v
Johan Nikles [317] |
6-3,7-5 | |
| ATP Geneva | 05/17 13:20 | 25 | [301] Leandro Riedi v Johan Nikles [317] | 7-5,6-7,5-7 | |
| ATP Geneva | 05/15 09:00 | 19 | [294] Johan Nikles v Lukas Rosol [249] | 6-4,6-4 | |
| ATP Geneva | 05/14 09:00 | 14 | [99] Peter Gojowczyk v Johan Nikles [294] | 3-6,3-6 | |
| Challenger Split | 04/19 08:30 | 25 |
[209] Luca Nardi
v
Johan Nikles [294] |
6-4,6-3 | |
| Challenger Split | 04/18 08:30 | 19 | [294] Johan Nikles v Bogdan Bobrov [470] | 6-4,7-5 | |
| Challenger Split | 04/17 08:00 | 14 | [294] Johan Nikles v Alexandar Lazarov [411] | 6-3,7-5 | |
| Challenger Madrid | 04/12 11:30 | 25 |
[150] Christopher O'Connell
v
Johan Nikles [294] |
6-3,6-2 | |
| Challenger Madrid | 04/11 10:50 | 19 | [294] Johan Nikles v Rudolf Molleker [445] | 6-4,7-5 | |
| Challenger Madrid | 04/10 12:05 | 45 | Johan Nikles v Daniel Merida Aguilar | 6-4,6-2 | |
| Challenger Murcia | 04/04 16:10 | 25 | [213] Lorenzo Giustino v Johan Nikles [291] | 7-6,4-6,6-4 | |
| Challenger Santa Cruz | 03/23 19:00 | 26 |
[293] Johan Nikles v
Juan Pablo Varillas
[119] 
|
2-6,1-6 | |
| Challenger Santa Cruz | 03/22 01:45 | 25 | Johan Nikles v Juan C P Angelo | 6-2,6-4 | |
| Challenger Concepcion | 03/13 13:30 | 14 | Johan Nikles v Nicolas Villalon | 4-6,6-2,6-7 | |
| Challenger Gran Canaria | 03/04 16:10 | 27 |
[79] Roberto Carballes Baena
v
Johan Nikles [320] |
6-1,6-3 | |
| Challenger Gran Canaria | 03/03 13:00 | 26 | [273] Goncalo Oliveira v Johan Nikles [320] | 7-5,5-7,5-7 | |
| Challenger Gran Canaria | 03/01 11:45 | 25 | [320] Johan Nikles v Federico Gaio [186] | 2-6,7-6,6-3 | |
| Challenger Gran Canaria | 02/28 11:00 | - | [320] Johan Nikles v Fabien Reboul [99] | 6-1,6-1 | |
| Challenger Gran Canaria | 02/27 13:00 | 45 | [325] Johan Nikles v Sadio Doumbia [103] | 6-2,7-5 | |
| Challenger Bengaluru | 02/18 07:20 | 27 |
[350] Johan Nikles v
Enzo Couacaud
[155] 
|
1-6,2-6 | |
| Challenger Bengaluru | 02/17 05:30 | 26 | [348] Markos Kalovelonis v Johan Nikles [350] | 2-6,3-6 | |
| Challenger Bengaluru | 02/15 04:30 | 25 | [350] Johan Nikles v Raul Brancaccio [295] | 6-7,6-1,7-5 | |
| Challenger Bengaluru | 02/06 09:05 | 14 | [349] Johan Nikles v Arjun Kadhe [206] | 4-6,4-6 | |
| Challenger Rio De Janeiro | 12/15 14:00 | 26 |
[131] Thiago Seyboth Wild
v
Johan Nikles [349] |
6-1,3-6,7-5 | |
| Challenger Rio De Janeiro | 12/14 13:00 | 25 | [349] Johan Nikles v Luca Castelnuovo [313] | 6-2,6-4 | |
| Challenger Florianopolis | 12/09 14:25 | 26 | [140] Juan Ignacio Londero v Johan Nikles [349] | 6-1,6-4 | |
| Challenger Florianopolis | 12/06 19:00 | 25 | [427] Guilherme Clezar v Johan Nikles [349] | 3-6,7-6,2-6 |
Wikipedia - Johan Nikles
Johan Nikles (born 23 March 1997) is a Swiss tennis player.
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.
History
2016: ATP debut
Nikles made his ATP main draw debut at the 2016 Swiss Open Gstaad, receiving a singles main draw wildcard.
2022: Top 300 debut
He qualified for the 2022 Geneva Open defeating 3rd seed Peter Gojowczyk and 8th seed Lukáš Rosol and won his first ATP singles main draw match against compatriot wildcard Leandro Riedi saving three match balls. He lost to Tallon Griekspoor in the second round. As a result he moved 40 positions up into the top 300.