Haruna Arakawa v Rira Kosaka
The market
Percentages are the implied chance of winning with the bookmaker's margin removed.
Head to head
| Date | Event | Match | Score |
|---|---|---|---|
| 2026-09-30 | W35 Wagga Wagga | H. ArakawavR. Kosaka | 2 - 1 |
This season & this event
Ranking points fall off a year after they are earned, so a player who went deep here last year must match it or drop in the rankings. That shapes effort in a way the price does not always show.
The players
Ranking, record and surface splits are for the most recent season on file. Height, weight and handedness are not published by our data provider.
H. Arakawa — last 10
With the pre-match price we recorded at the time.
| Date | Event | Surface | Opponent | Score | Their price | Market | Result |
|---|---|---|---|---|---|---|---|
| 2026-10-01 | W35 Wagga Wagga | Hard | N. Sato | 2 - 0 | 5.47 | 83% | LOST |
| 2026-09-30 | W35 Wagga Wagga | Hard | R. Kosaka | 2 - 1 | 1.54 | 62% | WON |
| 2026-09-23 | W50 Nanao | Hard | H. Abe | 0 - 2 | — | — | LOST |
| 2026-09-17 | W35 Kyoto | Hard | N. Kawaguchi | 0 - 2 | 3.16 | 70% | LOST |
| 2026-09-16 | W35 Kyoto | Hard | H. Im | 2 - 1 | — | — | WON |
| 2026-09-02 | W15 Monastir 24 | Hard | R. Kikawada | 0 - 2 | 1.13 | 84% | LOST |
| 2026-08-28 | W15 Monastir 23 | Hard | C. Blomqvist | 2 - 1 | 1.15 | 83% | LOST |
| 2026-08-27 | W15 Monastir 23 | Hard | L. Schruff | 0 - 2 | 1.09 | 88% | WON |
| 2026-08-26 | W15 Monastir 23 | Hard | O. Korpanec Davies | 1 - 2 | 1.19 | 80% | WON |
| 2026-08-16 | W15 Astana 5 (Kazakhstan) | Hard | A. Arystanbekova | 0 - 2 | 2.50 | 62% | LOST |
R. Kosaka — last 10
With the pre-match price we recorded at the time.
| Date | Event | Surface | Opponent | Score | Their price | Market | Result |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | W35 Wagga Wagga | Hard | H. Arakawa | 2 - 1 | 2.51 | 62% | LOST |
| 2026-09-10 | W15 Yeongwol 2 | Hard | K. Yoshioka | 2 - 1 | 3.50 | 74% | LOST |
| 2026-09-09 | W15 Yeongwol 2 | Hard | H. W. Ju | 2 - 0 | — | — | WON |
| 2026-07-16 | W15 Luan 5 | Hard | J. Zhang | 2 - 0 | 3.47 | 72% | LOST |
| 2026-07-14 | W15 Luan 5 | Hard | L. An | 2 - 0 | — | — | WON |
| 2026-07-08 | W15 Luan 4 | Hard | S. Y. Choi | 2 - 0 | — | — | LOST |
| 2026-06-25 | W15 Sapporo 2 | Hard | Y. Zhang | 1 - 2 | 3.91 | 76% | LOST |
| 2026-06-24 | W15 Sapporo 2 | Hard | M. Uemura | 0 - 2 | 4.85 | 80% | WON |
| 2026-05-13 | W35 Andong | Hard | G. Jang | 0 - 2 | 3.99 | 76% | LOST |
| 2026-04-22 | W35 Miyazaki 2 (Japan) | Hard | E. Micic | 1 - 2 | 16.27 | 94% | LOST |
Common questions
Who is favourite, Haruna Arakawa or Rira Kosaka?
Haruna Arakawa is favourite at 1.54, which is a 62% chance once the bookmaker's margin is removed.
What are the odds for Haruna Arakawa vs Rira Kosaka?
Haruna Arakawa is 1.54 and Rira Kosaka is 2.51, the prices we recorded for the W35 Wagga Wagga match.
What is the head-to-head between Haruna Arakawa and Rira Kosaka?
They have met 1 time and Haruna Arakawa leads 1-0.