Vivienne Vierin defeated Anna Livadaru 6-3 7-5 in the Lagos 25K round of 32 on hard. The upset overturned the form book — Anna Livadaru came in leading the head-to-head 1–0. Vivienne Vierin claimed a first win over Anna Livadaru in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-10-12 | Lagos 25K | R16 | hard | Anna Livadaru | 7-5 6-3 |