| Challenger Bad Waltersdorf | 09/20 14:10 | 26 | [201] Jozef Kovalik v Ergi Kirkin [343] | 6-1,6-2 | |
| Challenger Bad Waltersdorf | 09/19 08:00 | 25 | [343] Ergi Kirkin v Lukas Neumayer [209] | 7-5,2-6,6-1 | |
| Challenger Bad Waltersdorf | 09/18 10:05 | 19 | [343] Ergi Kirkin v Neil Oberleitner [165] | 6-7,6-4,6-2 | |
| Challenger Bad Waltersdorf | 09/17 14:00 | 14 | Ergi Kirkin v Matthias Ujvary | 6-2,6-2 | |
| Davis Cup | 09/16 10:25 | 4 | Matyas Fuele v Ergi Kirkin | 7-6,6-2 | |
| Challenger Istanbul | 09/06 09:00 | 26 | [368] Ergi Kirkin v Lukas Klein [155] | 3-6,4-6 | |
| Challenger Istanbul | 09/04 13:35 | 25 | [327] Marek Gengel v Ergi Kirkin [368] | 1-6,2-6 | |
| ITF M25 Tainan | 08/26 01:55 | 28 | Ergi Kirkin v Matyas Fuele | 1-6,6-4,3-6 | |
| ITF M25 Tainan | 08/25 02:00 | 27 | Ergi Kirkin v Takuya Kumasaka | 6-2,6-2 | |
| ITF M25 Tainan | 08/24 02:00 | 26 | Ergi Kirkin v Tomohiro Masabayashi | 6-4,6-3 | |
| ITF M25 Tainan | 08/23 04:20 | 25 | [421] Ergi Kirkin v Seita Watanabe [364] | 4-6,7-6,6-3 | |
| ITF M25 Tainan | 08/20 02:00 | 29 | Ergi Kirkin v Makoto Ochi | 6-0,6-2 |
Ergi Kırkın (born 27 January 1999) is a Turkish tennis player.
Kırkın has a career high ATP singles ranking of World No. 270 achieved on 25 July 2022. He has won 9 ITF singles titles. He also has a career high ATP doubles ranking of World No. 330 achieved on 3 October 2022.
Kırkın made his ATP main draw debut at the 2018 Antalya Open in the doubles draw partnering Koray Kırcı.