01/By surface
each with its own count, at equal weight
Hard
5-0
V. leads 5-0 in 5 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
5 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, V. first |
|---|---|---|---|---|---|---|
| Jan 7, 2018 | Hobart InternationalInternational | hard | 1st round | Lepchenko V. | 6-0, 7-6 | 64 v 52 |
| Jan 1, 2018 | ASB ClassicInternational | hard | 1st round | Lepchenko V. | 6-2, 6-2 | 63 v 52 |
| Sep 5, 2015 | US OpenGrand Slam | hard | 3rd round | Lepchenko V. | 1-6, 6-3, 6-4 | 46 v 53 |
| Aug 8, 2015 | Bank of the West ClassicPremier | hard | quarterfinal | Lepchenko V. | 6-7, 6-2, 6-3 | 60 v 63 |
| Aug 28, 2014 | US OpenGrand Slam | hard | 2nd round | Lepchenko V. | 6-4, 6-0 | 52 v 53 |
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. Lepchenko V. and Barthel M. each carry the table against every opponent faced.