Japan · WTA
Momoko Kobori
No. 385 163 pts
Right now
Momoko Kobori was defeated by Sinja Kraus in Osaka qualifying on Saturday 17 October. The result leaves Kobori on a two-match losing streak and gives her an 11-11 record for the 2026 season. She is ranked No. 385 in the WTA rankings as of Monday 19 October.
Next match
Opponent, time and what people predict.
Momoko Kobori is out of Japan Open: lost the qualifying semi-finals to Sinja Kraus. The next tournament appears here once a draw is published.
World ranking
No. 385
Up 4 places since 12 Oct
2026 season
11–11
Last 5 matches
L L W L L
Career titles
0
Our take comes with Kobori's next match.
Show the numbers
2026 record
11 wins 11 losses
Wins 50% of her matches
Titles and finals
No final reached yet this season.
Hard Best surface 60%
of matches won · 9 wins, 6 losses 
Clay Fewest matches 0%
of matches won · 0 wins, 3 losses 
Grass 50%
of matches won · 2 wins, 2 losses In plain words
Tournament run i
Kobori’s road through Japan Open.
-
Qualifying semi-finals Lost
M. Kobori 162
S. Kraus 636
News and insights i
Headlines about Momoko Kobori from our sources, each linking to the source.
No fresh headlines about Momoko Kobori from our sources yet.
Serve and return i
Kobori this season, 9 matches with statistics, next to the tour average.
Serve points
Kobori Tour
Aces per match 0.7 2.8
Double faults 4.1 3.5
1st serve points won 56% 65%
2nd serve points won 48% 46%
Games and break points
Kobori Tour
Service games held 57% 68%
Break points saved 59% 56%
Return games won 39% 37%
Break points converted 54% 46%
The tick on each bar is the median of the WTA top 100 this season. Green: clearly ahead of the tour.
Career i
Kobori’s year-end ranking, season by season, from the first year on tour to now.
Results i
Every singles result, newest first, with the chance people gave her before the match.
| Result | Opponent | Score | People gave |
|---|---|---|---|
| L | Sinja Kraus | 1-66-32-6 | |
| L |  Jiangxue Han | 6-76-41-6 | |
| W |  Maria Kalyakina | 7-67-5 | |
| L | Lola Giza | 1-60-6 | |
| L |  Elizabeth Mandlik | 1-64-6 | |
| W |  Mary Lewis | 6-24-66-0 | |
| L |  Yexin Ma | 2-66-16-7 | |
| W | Victoria Osuigwe | 7-66-0 |
Show next 14 of 14 more
| L | Anastasia Kulikova | 1-66-25-7 | |
| W | Carmen Lopez Martinez | 6-16-0 | |
| L | Celine Naef | 5-75-7 | |
| W | Katy Dunne | 7-56-2 | |
| L |  Yuka Naito | 7-64-64-6 | |
| W | Hikaru Sato | 6-36-4 | |
| W |  Mei Yamaguchi | 6-46-3 | |
| W | Ikumi Yamazaki | 6-07-6 | |
| L |  Kyoka Okamura | 3-62-6 | |
| W |  Natsumi Kawaguchi | 3-66-37-5 | |
| W | Nagi Hanatani | 6-06-3 | |
| W | Georgiana Serban Raluca | 6-34-66-1 | |
| L |  Veronika Podrez | 0-63-6 | |
| L |  Caroline Werner | 1-66-7 |
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