01/By surface
each with its own count, at equal weight
Hard
1-1
Level 1-1 in 2 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Jan 17, 2018 | Australian OpenGrand Slam | hard | 2nd round | Bertens K. | 7-6, 6-0 | 32 v 113 |
| Jul 23, 2013 | Bank of the West ClassicPremier | hard | 1st round | Gibbs N. | 6-4, 6-1 | 67 v 191 |
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. Bertens K. and Gibbs N. each carry the table against every opponent faced.