[289] Yosuke Watanuki 7-6,2-6,3-6 Bradley Klahn [104] 2019-06-21 21:20
Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
Home History
| Challenger Nottingham | 2019/06/11 17:10 | Christopher Eubanks v Yosuke Watanuki | 6-1,7-6 |
| Challenger Vicenza | 2019/05/31 07:30 | Yosuke Watanuki v Facundo Bagnis | 1-6,1-6 |
| Challenger Vicenza | 2019/05/29 16:25 | Javier Barranco Cosano v Yosuke Watanuki | 7-6,6-7,4-6 |
| French Open | 2019/05/21 08:00 | Tennys Sandgren v Yosuke Watanuki | 6-2,6-4 |
| Challenger Heilbronn | 2019/05/13 13:55 | Yosuke Watanuki v Jozef Kovalik | 2-6,2-6 |
| Challenger Indian Wells | 2019/02/27 20:20 | Yosuke Watanuki v Lukas Rosol | 6-7,6-7 |
| Challenger Indian Wells | 2019/02/25 18:00 | Zane Khan v Yosuke Watanuki | 6-3,2-6,2-6 |
| ATP Delray Beach | 2019/02/18 17:30 | Lukas Lacko v Yosuke Watanuki | 6-4,6-4 |
Away History
| ATP Queens | 2019/06/15 10:00 | Tommy Paul v Bradley Klahn | 6-1,6-4 |
| ATP Hertogenbosch | 2019/06/08 16:35 | Bradley Klahn v Andrea Arnaboldi | 6-4,4-6,2-6 |
| French Open | 2019/05/27 09:00 | Alex De Minaur v Bradley Klahn | 6-1,6-4,6-4 |
| ATP Geneva | 2019/05/18 11:20 | Bernabe Zapata Miralles v Bradley Klahn | 5-7,6-4,6-2 |
| ATP Rome | 2019/05/11 17:00 | Benoit Paire v Bradley Klahn | 6-4,6-2 |
| Challenger Sarasota | 2019/04/17 18:40 | Bradley Klahn v Daniel Elahi Galan | 3-6,3-6 |
| ATP Houston | 2019/04/09 20:55 | Santiago Giraldo v Bradley Klahn | 6-4,6-4 |
| Challenger Monterrey | 2019/04/05 21:55 | Donald Young v Bradley Klahn | 7-5,6-4 |