Stadium: Brenda Meyers Court Round: 26 Ground: Hardcourt indoor
| Challenger Charlottesville | 2016/11/01 20:50 | Tim Smyczek v Thai-Son Kwiatkowski | 6-4,2-6,6-3 |
| Challenger Charlottesville | 2018/10/31 16:50 | Tim Smyczek v Blaz Rola | 6-4,7-5 |
| ATP Shanghai | 2018/10/06 04:00 | Tim Smyczek v Taro Daniel | 7-6,4-6,4-6 |
| ATP Tokyo | 2018/09/29 02:00 | Yosuke Watanuki v Tim Smyczek | 6-4,6-2 |
| ATP Chengdu | 2018/09/24 05:00 | Joao Sousa v Tim Smyczek | 7-6,6-7,6-3 |
| US Open | 2018/08/28 15:00 | Tim Smyczek v Jan-Lennard Struff | 6-7,4-6,3-6 |
| ATP Cincinnati Qual | 2018/08/12 14:00 | Tim Smyczek v Michael Mmoh | 1-6,6-2,2-6 |
| ATP Toronto Qual | 2018/08/04 15:00 | Nicolas Mahut v Tim Smyczek | 7-6,3-6,7-5 |
| ATP Washington | 2018/08/01 17:25 | Tim Smyczek v Mischa Zverev | 2-6,6-7 |
| Challenger Las Vegas | 2018/10/24 19:40 | Blaz Rola v Thai-Son Kwiatkowski | 6-3,6-4 |
| Challenger Las Vegas | 2018/10/23 19:35 | Thai-Son Kwiatkowski v Evan Song | 6-4,6-4 |
| Challenger Las Vegas | 2018/10/22 18:00 | Jelle Sels v Thai-Son Kwiatkowski | 4-6,6-7 |
| Challenger Las Vegas | 2018/10/21 18:00 | Pavel Krainik v Thai-Son Kwiatkowski | 4-6,2-6 |
| Challenger Las Vegas | 2018/10/20 17:00 | Daniel Nguyen v Thai-Son Kwiatkowski | 2-6,3-6 |
| Challenger Fairfield | 2018/10/07 18:15 | Thai-Son Kwiatkowski v Frederik Nielsen | 7-6,3-6,5-7 |
| Challenger Fairfield | 2018/10/06 22:15 | Marcos Giron v Thai-Son Kwiatkowski | 6-4,2-6,4-6 |
| Challenger Stockton | 2018/10/03 20:00 | Lloyd Harris v Thai-Son Kwiatkowski | 6-2,6-4 |