| ITF葡萄牙F4 | 05/06 12:35 | - | 剛科羅•法爾卡奧 v 喬漢•尼克利斯 | 3-6,7-5,3-6 | |
| ITF瑞士F2 | 03/19 12:00 | - | 喬漢•尼克利斯 v 皮爾明∙哈恩勒 | 4-6,2-6 | |
| ITF瑞士F2 | 03/17 13:30 | - | 瓦迪姆•烏爾蘇 v 喬漢•尼克利斯 | 6-3,4-6,4-6 | |
| ITF瑞士F1 | 03/11 16:00 | - | 揚恩•馬迪 v 喬漢•尼克利斯 | 3-6,6-4,6-1 | |
| ITF瑞士F1 | 03/10 16:10 | - | 喬漢•尼克利斯 v 巴斯蒂恩∙瓦格納 | 6-2,5-7,6-1 | |
| ITF土耳其F3 | 02/26 11:40 | - | 喬漢•尼克利斯 v 塞德裏克∙馬塞爾∙史特比 | 1-6,6-1,0-6 | |
| ITF土耳其F3 | 02/22 08:00 | - | 喬漢•尼克利斯 v 馬瑞西歐 R 卡巴雷羅 | 6-3,6-2 | |
| ITF土耳其F7 | 02/16 07:00 | - | 喬漢•尼克利斯 v 高欣 | 2-6,1-6 | |
| ITF土耳其F7 | 02/14 07:00 | - | 阿特姆•卡普舒克 v 喬漢•尼克利斯 | 7-6,1-6,1-6 | |
| ITF瑞士F5 | 08/26 15:55 | - | 喬漢•尼克利斯 v 豪爾赫•蒙特羅 | 4-6,1-6 | |
| ITF瑞士F4 | 08/22 14:00 | - | 喬漢•尼克利斯 v 埃裏∙羅塞特 | 2-6,3-6 | |
| ITF瑞士F4 | 08/21 16:30 | - | 喬漢•尼克利斯 v 洛伊克∙佩雷 | 6-3,6-2 | |
| ITF瑞士F4 | 08/20 13:00 | - | 喬漢•尼克利斯 v 雅各•卡豪恩 | 7-6,7-5 | |
| ITF瑞士F4 | 08/18 14:45 | - | 埃裏克∙克雷帕迪 v 喬漢•尼克利斯 | 2-6,6-4,5-7 | |
| ITF瑞士F3 | 08/12 09:00 | - | 安托萬 Hoang v 喬漢•尼克利斯 | 6-2,6-1 |
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.
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 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.