Stadium: Court 7 Round: 23 Ground: Hardcourt outdoor
| Challenger Aptos | 2018/08/07 22:15 | Lloyd Harris v Quentin Halys | 6-4,6-2 |
| ATP Paris | 2023/10/28 15:50 | Dusan Lajovic v Quentin Halys | 3-6,7-5,7-6 |
| ATP Antwerp | 2023/10/16 17:15 | David Goffin v Quentin Halys | 6-4,6-1 |
| ATP Shanghai | 2023/10/08 06:45 | Quentin Halys v Andrey Rublev | 4-6,5-7 |
| ATP Shanghai | 2023/10/05 09:40 | Aslan Karatsev v Quentin Halys | 6-7,6-3,2-6 |
| Challenger Rennes | 2023/09/12 14:35 | Quentin Halys v Antoine Escoffier | 7-6,4-6,3-6 |
| US Open | 2023/08/28 22:35 | Quentin Halys v Benjamin Bonzi | 7-5,4-6,4-6,4-6 |
| ATP Winston-Salem | 2023/08/21 18:00 | Facundo Diaz Acosta v Quentin Halys | 4-6,6-2,6-4 |
| Challenger Porto | 2023/08/01 14:55 | Quentin Halys v Gastao Elias | 5-7,5-7 |
| ATP Vienna | 2023/10/21 12:25 | Lloyd Harris v Alexandre Muller | 1-6,4-6 |
| Challenger Olbia | 2023/10/19 13:45 | Joris De Loore v Lloyd Harris | 6-3,7-6 |
| Challenger Olbia | 2023/10/17 20:10 | Lloyd Harris v Alessandro Giannessi | 7-6,6-0 |
| ATP Shanghai | 2023/10/02 10:45 | Lloyd Harris v Dominik Palan | 6-3,3-6,6-7 |
| ATP Beijing | 2023/09/28 07:15 | Lloyd Harris v Tomas Martin Etcheverry | 7-6,6-7,3-6 |
| ATP Beijing | 2023/09/27 04:30 | Cristian Garin v Lloyd Harris | 3-6,0-6 |
| ATP Beijing | 2023/09/26 04:55 | Lloyd Harris v Daniel Altmaier | 6-3,6-1 |
| ATP Zhuhai | 2023/09/22 05:00 | Yoshihito Nishioka v Lloyd Harris | 7-6,7-6 |