Chiaki Okadaue defeated Isabella Holland 6-3 6-0 in the Kurume 50K qualifying round on grass. Chiaki Okadaue extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-09-19 | Darwin 25K | R16 | hard | Isabella Holland | 6-2 6-3 |
| 2010-09-13 | Darwin 25K | R16 | hard | Chiaki Okadaue | 6-4 6-4 |
| 2009-09-21 | Darwin 25K | QF | hard | Chiaki Okadaue | 6-2 6-0 |
| 2009-03-02 | Sydney 25K | R16 | hard | Isabella Holland | 4-6 6-3 6-1 |
Averages over each player's completed matches in the selected window (2 vs 1). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About