01/By surface
each with its own count, at equal weight
Hard
1-0
D. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
1 row, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, D. first |
|---|---|---|---|---|---|---|
| Aug 1, 2018 | Mubadala Silicon Valley ClassicPremier | hard | 2nd round | Collins D. | 6-1, 3-6, 6-1 | 42 v 69 |
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. Collins D. and Lapko V. each carry the table against every opponent faced.