Player data updated: 2026-10-20 10:33 UTC
Momoko Kobori
Instagram profile (opens in new tab)Momoko Kobori represents Japan on the WTA Tour and is ranked No. 385, having reached a career high of No. 226. She most recently lost to Sinja Kraus in the Japan Women's Open first qualifying round on October 17, 2026.
Peak singles rank
226 (Apr 22, 2019)
Elo peak
1500 (5th percentile)
Singles record
0–2 (0.0%)
Singles titles
0
Prize money
$270,234
Records cover recorded main-draw singles results in TennisDB's WTA event archive, including credited walkovers; qualifying is shown separately below.
WTA Matches full match log →
| Opponent | Score | Result | H2H | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|---|
| Sinja Kraus | 1-6 6-3 2-6 | L | H2H | Match data | Oct 17, 2026 | Q1 | Japan Women's Open | WTA 250 | Hard |
| Veronika Podrez | 0-6 3-6 | L | H2H | Match data | Apr 11, 2026 | Q1 | Rouen Open | WTA 250 | Clay |
| Ajla Tomljanovic | 5-7 2-6 | L | H2H | Match data | Oct 27, 2025 | R32 | Hong Kong Open | WTA 250 | Hard |
| Xiaodi You | 6-7(4) 7-5 6-1 | W | H2H | Match data | Oct 26, 2025 | Q2 | Hong Kong Open | WTA 250 | Hard |
| Ikumi Yamazaki | 6-2 6-3 | W | H2H | Match data | Oct 25, 2025 | Q1 | Hong Kong Open | WTA 250 | Hard |
Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.
Rivals all rivalries →
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Ajla Tomljanovic | 0 | 1 | 1 | Oct 27, 2025 | H2H |
| Fang Ying Xun | 0 | 1 | 1 | Jul 26, 2018 | H2H |
Career Results
| Season | Age | Type | W | L | M | Win % | Start Rank | End Rank |
|---|---|---|---|---|---|---|---|---|
| 2017 | 18 | Qualifying | 0 | 1 | 1 | 0.0% | — | — |
| 2018 | 19 | Qualifying | 0 | 1 | 1 | 0.0% | — | — |
| 2018 | 19 | WTA | 0 | 1 | 1 | 0.0% | 353 | 253 |
| 2019 | 20 | Qualifying | 0 | 1 | 1 | 0.0% | — | — |
| 2023 | 24 | Qualifying | 0 | 1 | 1 | 0.0% | — | — |
| 2025 | 26 | Qualifying | 2 | 0 | 2 | 100.0% | — | — |
| 2025 | 26 | WTA | 0 | 1 | 1 | 0.0% | 499 | 421 |
| 2026 | 27 | Qualifying | 0 | 2 | 2 | 0.0% | — | — |
| Career | — | 0 | 2 | 2 | 0.0% | — | — |
Career Results by Surface
| Season | Age | Type | Hard | Clay | Grass | Total | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 2017 | 18 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2018 | 19 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2018 | 19 | WTA | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2019 | 20 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2023 | 24 | Qualifying | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2025 | 26 | Qualifying | 2 | 0 | 2 | 100.0% | — | — | — | — | — | — | — | — | 2 | 0 | 2 | 100.0% |
| 2025 | 26 | WTA | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 2026 | 27 | Qualifying | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 2 | 2 | 0.0% |
| Career | — | — | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 0 | 2 | 2 | 0.0% |
Career Results by Opponent Rank
Performance Stats
| Season | Age | Sample | Aces/M | DFs/M | 1st Sv% | 1st Sv Pts% | 2nd Sv Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 19 | 1/1 | 0.0 | 2.0 | 75.3% | 53.1% | 47.6% | 60.0% | 50.0% | 51.8% | 26.3% |
| 2025 | 26 | 1/1 | 0.0 | 4.0 | 68.1% | 53.1% | 43.5% | 37.5% | 33.3% | 50.0% | 40.9% |
| Career | 2/2 | 0.0 | 3.0 | 71.7% | 53.1% | 45.5% | 48.8% | 41.7% | 50.9% | 33.6% |
Advanced Stats
| Season | Age | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | 18 | 1487 | 101.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2018 | 19 | 1461 | 98.9 | -1.40 | -1.21 | 0.546 | 41.5% | — | — | — | 0.0% | -3.50 | — | 0–1 | — | +0.22 |
| 2019 | 20 | 1434 | 96.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2023 | 24 | 1419 | 98.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2025 | 26 | 1428 | 105.9 | -0.48 | -1.40 | 0.818 | 45.7% | — | — | — | 0.0% | -3.00 | — | — | — | -0.08 |
| 2026 | 27 | 1414 | 95.9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1500 | 99.3 | -0.94 | -1.31 | 0.684 | 43.6% | — | — | — | 0.0% | -3.25 | — | 0–1 | — | +7.00 |
Tournament Results by Category
WTA 500
| Season | Age | PAN | PAN | ZHE | W-L Win % |
|---|---|---|---|---|---|
| 2017 | 18 | — | Q1 | — | 0–1 (0%) |
| 2018 | 19 | Q1 | — | — | 0–1 (0%) |
| 2019 | 20 | — | — | Q1 | 0–1 (0%) |
| W-L | 0–1 (0%) | 0–1 (0%) | 0–1 (0%) |
0–3 (0%) |
WTA 250
| Season | Age | HKG | JIA | JAP | ROU | W-L Win % |
|---|---|---|---|---|---|---|
| 2018 | 19 | — | R32 | — | — | 0–1 (0%) |
| 2023 | 24 | — | — | Q1 | — | 0–1 (0%) |
| 2025 | 26 | R32 | — | — | — | 2–1 (67%) |
| 2026 | 27 | — | — | Q1 | Q1 | 0–2 (0%) |
| W-L | 2–1 (67%) | 0–1 (0%) | 0–2 (0%) | 0–1 (0%) |
2–5 (29%) |
Results show the best round reached per tournament and season.
WTA Ranking History full ranking history →
Career high
226
Career-high date
Apr 22, 2019
First Top 100
—
First Top 50
—
First Top 20
—
First Top 10
—
Ranking History Matrix
| Season | Age | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | 16 | — | — | — | — | — | — | — | — | — | — | 1271 | 1284 |
| 2016 | 17 | 1284 | 1292 | 1288 | 1271 | 1263 | 1255 | 1259 | 1246 | 767 | 600 | 598 | 604 |
| 2017 | 18 | 601 | 599 | 603 | 525 | 499 | 424 | 411 | 417 | 429 | 378 | 353 | — |
| 2018 | 19 | 351 | 350 | 336 | 345 | 295 | 246 | 250 | 252 | 240 | 245 | 256 | 253 |
| 2019 | 20 | 251 | 250 | 255 | 227 | 254 | 271 | 267 | 273 | 276 | 317 | 322 | 322 |
| 2020 | 21 | 318 | 326 | 327 | — | — | — | — | 326 | 332 | 332 | 334 | 334 |
| 2021 | 22 | 334 | 338 | 333 | 361 | 361 | 414 | 441 | 440 | 459 | 453 | 455 | 456 |
| 2022 | 23 | 454 | 458 | 468 | 502 | 511 | 545 | 494 | 495 | 468 | 407 | 365 | 337 |
| 2023 | 24 | 352 | 349 | 349 | 352 | 360 | 376 | 408 | 403 | 435 | 519 | 572 | 625 |
| 2024 | 25 | 622 | 620 | 661 | 724 | 718 | 765 | 836 | 936 | 801 | 587 | 517 | 520 |
| 2025 | 26 | — | — | — | — | 475 | 442 | 391 | 369 | 384 | 470 | 407 | 421 |
| 2026 | 27 | 424 | 427 | 430 | 427 | 335 | 338 | 350 | 375 | 378 | 385 | — | — |
Similar Players
Other WTA players with comparable peak level, era, career record, and career scale.
| Player | Country | Peak ranking | Peak Elo | M | W | L | Win % | Prize money | Titles | GS | W1000 | Years | Rivalries | Match log |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Victoria Rodriguez (active player) | MEX | #216 | 1,500 | 9 | 1 | 8 | 11.1% | $319,888 | 0 | 0 | 0 | 2016–2025 | Rivalries | Match log |
| Wushuang Zheng (active player) | CHN | #237 | 1,500 | 6 | 1 | 5 | 16.7% | $181,706 | 0 | 0 | 0 | 2016–2025 | Rivalries | Match log |
| Nefisa Berberovic | BIH | #221 | 1,504 | 2 | 1 | 1 | 50.0% | $104,424 | 0 | 0 | 0 | 2022–2022 | Rivalries | Match log |
| Eudice Chong (active player) | HKG | #213 | 1,515 | 5 | 1 | 4 | 20.0% | $363,237 | 0 | 0 | 0 | 2018–2025 | Rivalries | Match log |
| Sohyun Park (active player) | KOR | #244 | 1,507 | 5 | 1 | 4 | 20.0% | $198,224 | 0 | 0 | 0 | 2018–2026 | Rivalries | Match log |
| Wakana Sonobe (active player) | JPN | #224 | 1,567 | 5 | 2 | 3 | 40.0% | $88,707 | 0 | 0 | 0 | 2025–2025 | Rivalries | Match log |
| Carlota Martinez Cirez (active player) | ESP | #220 | 1,516 | 4 | 1 | 3 | 25.0% | $305,408 | 0 | 0 | 0 | 2016–2026 | Rivalries | Match log |
| Ulrikke Eikeri | NOR | #206 | 1,520 | 11 | 2 | 9 | 18.2% | $1,672,987 | 0 | 0 | 0 | 2020–2023 | Rivalries | Match log |
| Caroline Werner (active player) | GER | #221 | 1,532 | 3 | 1 | 2 | 33.3% | $203,831 | 0 | 0 | 0 | 2025–2025 | Rivalries | Match log |
| Weronika Falkowska (active player) | POL | #240 | 1,527 | 3 | 1 | 2 | 33.3% | $243,249 | 0 | 0 | 0 | 2021–2022 | Rivalries | Match log |
| Amarissa Toth (active player) | HUN | #236 | 1,533 | 3 | 1 | 2 | 33.3% | $129,783 | 0 | 0 | 0 | 2023–2024 | Rivalries | Match log |
| Lina Glushko (active player) | ISR | #201 | 1,536 | 5 | 1 | 4 | 20.0% | $243,870 | 0 | 0 | 0 | 2022–2025 | Rivalries | Match log |
Frequently Asked Questions
- How old is Momoko Kobori?
- Momoko Kobori is 28 years old, born on August 22, 1998.
- Which country does Momoko Kobori represent?
- Momoko Kobori represents Japan in TennisDB's WTA records.
- How tall is Momoko Kobori?
- Momoko Kobori is 158 cm / 5'2".
- Does Momoko Kobori use a one-handed or two-handed backhand?
- Momoko Kobori uses a two-handed backhand.
- Is Momoko Kobori left-handed or right-handed?
- Momoko Kobori plays right-handed.
- How many Grand Slam singles titles has Momoko Kobori won?
- Momoko Kobori has not won a Grand Slam singles title.
- How many WTA 1000 titles has Momoko Kobori won?
- TennisDB does not group any of Momoko Kobori's titles under the modern WTA 1000 category.
- What is Momoko Kobori's highest WTA ranking?
- Momoko Kobori's career-high WTA singles ranking is world No. 226, first achieved on April 22, 2019.
- What is Momoko Kobori's career win-loss record?
- Momoko Kobori has a career WTA singles record of 0 wins and 2 losses (0.0%).
- How much career prize money has Momoko Kobori earned?
- Momoko Kobori has earned at least $270,234 in career prize money from professional tennis.
- Which seasons of Momoko Kobori's career appear in TennisDB?
- Momoko Kobori appears in TennisDB's WTA main-tour match records from 2018 through 2025.
- Who has Momoko Kobori faced most often?
- Momoko Kobori's most frequent opponent is Ajla Tomljanovic, with a head-to-head record of 0–1 across 1 meeting.