Stadium: Cancha 4 Round: 26 Ground: Hardcourt outdoor
| Challenger Shenzhen 2 | 2019/10/31 02:00 | Soonwoo Kwon v Mohamed Safwat | 4-6,6-7 |
| Challenger Shenzhen 2 | 2019/10/29 03:10 | Soonwoo Kwon v Duckhee Lee | 6-2,6-2 |
| ATP Basel | 2019/10/20 11:55 | Alexei Popyrin v Soonwoo Kwon | 4-6,6-3,6-4 |
| ATP Basel | 2019/10/19 13:15 | Marc-Andrea Huesler v Soonwoo Kwon | 6-4,3-6,3-6 |
| ATP Antwerp | 2019/10/16 11:55 | Guido Pella v Soonwoo Kwon | 7-5,7-5 |
| ATP Antwerp | 2019/10/15 11:45 | Soonwoo Kwon v Richard Gasquet | 1-6,6-3,6-4 |
| ATP Tokyo | 2019/09/29 03:35 | Pablo Andujar v Soonwoo Kwon | 7-5,6-4 |
| ATP Tokyo | 2019/09/28 06:00 | Henri Laaksonen v Soonwoo Kwon | 6-7,2-6 |
| ATP Paris | 2019/10/29 10:00 | Dusan Lajovic v Corentin Moutet | 4-6,6-1,3-6 |
| ATP Basel | 2019/10/22 11:00 | Radu Albot v Dusan Lajovic | 2-6,6-3,6-4 |
| ATP Moscow | 2019/10/18 10:30 | Adrian Mannarino v Dusan Lajovic | 7-6,6-1 |
| ATP Moscow | 2019/10/16 13:40 | Lukas Rosol v Dusan Lajovic | 4-6,7-6,3-6 |
| ATP Shanghai | 2019/10/08 04:30 | Reilly Opelka v Dusan Lajovic | 6-3,6-4 |
| ATP Beijing | 2019/10/01 07:55 | Dusan Lajovic v Stefanos Tsitsipas | 6-4,3-6,4-6 |
| ATP Chengdu | 2019/09/26 08:35 | Dusan Lajovic v Lloyd Harris | 3-6,3-6 |
| ATP Chengdu | 2019/09/24 05:30 | Dusan Lajovic v Juan Ignacio Londero | 6-2,4-6,6-4 |