Shuichi Sekiguchi defeated Shota Tagawa 6-1 6-1 in the Japan F1 round of 32 on hard. The upset overturned the form book — Shota Tagawa came in leading the head-to-head 1–0, but Shuichi Sekiguchi had been the form player, winning 5 of their last 7 on hard. Shuichi Sekiguchi claimed a first win over Shota Tagawa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-03-12 | Japan F1 | R32 | hard | Shota Tagawa | 7-6(3) 4-6 7-6(2) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.