Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| ITF Serbia F3 | 2018/08/21 11:20 | Christopher O'Connell v Ao Shen | 7-5,6-3 |
| Challenger Pullach Qual | 2018/08/04 14:15 | Kimmer Coppejans v Christopher O'Connell | 6-2,6-0 |
| Challenger Sopot Qual | 2018/07/30 12:00 | Maxime Janvier v Christopher O'Connell | 6-2,6-4 |
| Challenger Tampere | 2018/07/21 07:00 | Roberto Marcora v Christopher O'Connell | 6-1,7-6 |
| ATP Sydney Qual | 2018/01/06 00:50 | Christopher O'Connell v Nicolas Mahut | 6-2,4-6,4-6 |
| Challenger Playford Qual | 2018/01/01 01:00 | Christopher O'Connell v Marinko Matosevic | 4-6,0-6 |
| Challenger Playford Qual | 2017/12/31 00:30 | Brydan Klein v Christopher O'Connell | 6-3,6-7,2-6 |
| Challenger Playford Qual | 2017/12/29 23:30 | Christopher O'Connell v Mislav Bosnjak | 7-6,6-1 |
| Challenger Shanghai | 2018/09/11 05:15 | Go Soeda v Yibing Wu | 4-6,2-6 |
| Challenger Zhangjiagang | 2018/09/06 02:00 | Go Soeda v Yunseong Chung | 5-7,6-3,2-6 |
| Challenger Zhangjiagang | 2018/09/05 02:00 | Go Soeda v Alessandro Bega | 7-5,7-5 |
| US Open | 2018/08/22 17:30 | Mitchell Krueger v Go Soeda | 6-3,6-3 |
| Challenger Chengdu | 2018/07/31 03:00 | Zihao Xia v Go Soeda | 7-6,6-3 |
| Challenger Gatineau | 2018/07/21 18:10 | Ugo Humbert v Go Soeda | 6-4,6-1 |
| Challenger Gatineau | 2018/07/20 20:25 | Maximilian Neuchrist v Go Soeda | 6-7,3-6 |
| Challenger Gatineau | 2018/07/19 15:00 | Jacob Grills v Go Soeda | 6-2,1-6,4-6 |