Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| ATP Cincinnati | 2018/08/16 19:00 | Hyeon Chung v Juan Martin Del Potro | 2-6,3-6 |
| ATP Cincinnati | 2018/08/14 15:00 | Hyeon Chung v Jack Sock | 2-6,6-1,6-2 |
| ATP Washington | 2018/08/03 02:55 | Hyeon Chung v Alex De Minaur | 2-6,6-4,2-6 |
| ATP Washington | 2018/08/01 22:15 | Hyeon Chung v Marcos Baghdatis | 6-7,6-4,6-3 |
| ATP Atlanta | 2018/07/27 20:00 | Ryan Harrison v Hyeon Chung | 6-7,6-2,7-6 |
| ATP Atlanta | 2018/07/25 15:00 | Taylor Fritz v Hyeon Chung | 4-6,6-7 |
| ATP Madrid | 2018/05/08 10:00 | Robin Haase v Hyeon Chung | 6-2,6-0 |
| ATP Munich | 2018/05/05 11:30 | Alexander Zverev v Hyeon Chung | 7-5,6-2 |
| ATP Winston-Salem | 2018/08/19 22:10 | Marcos Baghdatis v Guillermo Garcia-Lopez | 6-7,4-6 |
| ATP Cincinnati | 2018/08/15 23:15 | Guillermo Garcia-Lopez v Marton Fucsovics | 7-6,4-6,5-7 |
| ATP Cincinnati Qual | 2018/08/12 14:00 | Bradley Klahn v Guillermo Garcia-Lopez | 7-6,7-6 |
| ATP Cincinnati Qual | 2018/08/11 14:00 | Ricardas Berankis v Guillermo Garcia-Lopez | 4-6,3-6 |
| ATP Kitzbuhel | 2018/07/30 13:20 | Guillermo Garcia-Lopez v Dusan Lajovic | 4-6,2-6 |
| ATP Gstaad | 2018/07/23 10:55 | Guillermo Garcia-Lopez v Roberto Carballes Baena | 6-7,2-6 |
| Wimbledon | 2018/07/04 12:05 | Guillermo Garcia-Lopez v Daniil Medvedev | 3-6,4-6,2-6 |
| Wimbledon | 2018/07/02 12:55 | Guillermo Garcia-Lopez v Gastao Elias | 6-2,6-4,6-2 |