01/By surface
each with its own count, at equal weight
Hard
0-1
H. leads 1-0 in 1 meeting on hard
Clay
1-2
H. leads 2-1 in 3 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Feb 26, 2020 | Abierto MexicanoInternational | clay | 2nd round | Watson H. | 7-6, 6-2 | 494 v 69 |
| Oct 7, 2019 | Tianjin OpenInternational | hard | 1st round | Watson H. | 6-4, 7-6 | unranked v 125 |
| May 22, 2018 | Nürnberger VersicherungscupInternational | clay | 1st round | Watson H. | 6-3, 3-6, 7-6 | 79 v 86 |
| May 16, 2016 | Internationaux de StrasbourgInternational | clay | 1st round | Bondarenko K. | 6-3, 0-6, 6-1 | 62 v 54 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Bondarenko K. and Watson H. each carry the table against every opponent faced.