Remi Tezuka defeated Kumiko Iijima 5-7 6-1 6-3 in the Niigata 25K round of 16 on hard. The upset overturned the form book — Kumiko Iijima came in leading the head-to-head 3–2. That levelled the head-to-head at 3–3.
Tezuka R. came through in three sets.
Hard: level 2–2 · Carpet: Iijima K. leads 1–0 · Clay: Tezuka R. leads 1–0
Remi Tezuka beat Kumiko Iijima 5-7 6-1 6-3. Umpiry, "Remi Tezuka vs Kumiko Iijima — Niigata 25K Round of 16", https://umpiry.com/match/2011-05-23/iijima-vs-tezuka-niigata-25k-r16?utm_source=cite (as of 23 May 2011).