Naoki Tajima
Japanese tennis player (born 2000)
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Naoki Tajima (田島 尚輝, Tajima Naoki; born 21 September 2000) is a Japanese tennis player.
Country(sports)
Japan
JapanBorn21 September 2000
Kumamoto, Japan
PlaysRight-handed (two-handed backhand)
Prize money$77,503
| Country (sports) | Japan |
|---|---|
| Born | 21 September 2000 Kumamoto, Japan |
| Plays | Right-handed (two-handed backhand) |
| Prize money | $77,503 |
| Singles | |
| Career record | 0–0 |
| Career titles | 0 |
| Highest ranking | No. 603 (20 January 2020) |
| Current ranking | No. 1,419 (16 February 2026) |
| Grand Slam singles results | |
| Australian Open Junior | 1R (2018) |
| French Open Junior | 2R (2018) |
| Wimbledon Junior | 1R (2018) |
| US Open Junior | QF (2017) |
| Doubles | |
| Career record | 0–0 |
| Career titles | 0 |
| Highest ranking | No. 245 (16 February 2026) |
| Current ranking | No. 245 (16 February 2026) |
| Grand Slam doubles results | |
| Australian Open Junior | QF (2018) |
| French Open Junior | W (2018) |
| Wimbledon Junior | SF (2018) |
| Last updated on: 16 February 2026. | |
Tajima has a career high ATP singles ranking of No. 603 achieved on 20 January 2021 and a doubles rankings of No. 245 achieved on 16 February 2026.
Tajima won the 2018 French Open – Boys' doubles title.
ATP Challenger and ITF Futures finals
Singles: 2 (0–2)
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
|---|---|---|---|---|---|---|---|
| Loss | 0–1 | Jan 2019 | M15 Anning, China | World Tennis Tour | Clay |  Agustín Velotti |
6–4, 3–6, 5–7 |
| Loss | 0–2 | May 2021 | M15 Kouvola, Finland | World Tennis Tour | Hard |  Anton Matusevich |
1–6, 6–4, 0–6 |
Doubles: 21 (7–14)
|
|
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | Jan 2019 | M15 Anning, China | World Tennis Tour | Clay | Kento Takeuchi |
 Francesco Bessire Agustín Velotti |
4–6, 7–5, [10–7] |
| Win | 2–0 | Apr 2019 | M25 Matsuyama, Japan | World Tennis Tour | Hard | Shinji Hazawa |
 Cheong-Eui Kim Ji Sung Nam |
4–6, 6–1, [10–7] |
| Loss | 2–1 | Jan 2021 | M15 Cairo, Egypt | World Tennis Tour | Clay |  Jose Francisco Vidal Azorin |
Franco Agamenone  Piotr Matuszewski |
6–4, 6–7(5–7), [7–10] |
| Loss | 2–2 | Apr 2021 | M15 St. Petersburg, Russia | World Tennis Tour | Hard |  Alexey Zakharov |
 Alexandr Cozbinov  Simon Freund |
4–6, 5–7 |
| Loss | 2–3 | Apr 2021 | M15 St. Petersburg, Russia | World Tennis Tour | Hard | Alexey Zakharov |
Alexandr Cozbinov Simon Freund |
6–75–7, 6–2, [6–10] |
| Loss | 2–4 | Oct 2021 | M15 Cancún, Mexico | World Tennis Tour | Hard | Sho Shimabukuro |
 Siddhant Banthia Seita Watanabe |
6–1, 4–6, [3–10] |
| Win | 3–4 | Oct 2021 | M15 Cancún, Mexico | World Tennis Tour | Hard | Sho Shimabukuro |
 Peter Bertran  Mwendwa Mbithi |
7–6(7–5), 6–4 |
| Win | 4–4 | Jan 2022 | M15 Monastir, Tunesia | World Tennis Tour | Hard | Kaito Uesugi |
 Loic Cloes  Marat Deviatiarov |
(W/O) |
| Win | 5–4 | Jan 2022 | M15 Monastir, Tunesia | World Tennis Tour | Hard | Kaito Uesugi |
 Martin Breysach Arthur Bouquier |
6–2 7–6(7–5) |
| Loss | 5–5 | Feb 2022 | M25 Canberra, Australia | World Tennis Tour | Hard |  Calum Puttergill |
 Rubin Statham Akira Santillan |
4–6 3–6 |
| Loss | 5–6 | May 2022 | M15 Antalya, Turkey | World Tennis Tour | Clay | Yuta Shimizu |
Juan Pablo Canas Garcia Pablo Llamas Ruiz |
4–6 5–7 |
| Loss | 5–7 | Sep 2022 | M25 Sapporo, Japan | World Tennis Tour | Hard | Rimpei Kawakami |
Takuto Niki Takeru Yuzuki |
6–3, 4–6, [8–10] |
| Loss | 5–8 | Oct 2022 | M25 Kashiwa, Japan | World Tennis Tour | Hard | Seita Watanabe |
Toshihide Matsui Kaito Uesugi |
3–6, 6–4, [5–10] |
| Loss | 5–9 | Jan 2023 | M15 Jakarta, Indonesia | World Tennis Tour | Hard | Keisuke Saitoh |
Rivik Choudary Bollipalli Niki Kaliyanda Poonacha |
1–6, 3–6 |
| Loss | 5–10 | Feb 2023 | M15 Monastir, Tunesia | World Tennis Tour | Hard | Ryuki Matsuda |
 Tim Handel  Yannik Steinegger |
4–6, 1–6 |
| Loss | 5–11 | Jun 2023 | M25 Anseong, South Korea | World Tennis Tour | Clay | Shunsuke Mitsui |
Chung Yun-seong Takeru Yuzuki |
6–7(3–7), 4–6 |
| Win | 6–11 | Jul 2023 | M15 Caloundra, Australia | World Tennis Tour | Hard | Keisuke Saitoh |
Jesse Delaney Dayne Kelly |
6–3, 6–1 |
| Win | 6–12 | Oct 2023 | M15 Cairns, Australia | World Tennis Tour | Hard | Kokoro Isomura |
Kody Pearson Henrik Wiersholm |
2–6, 1–6 |
| Win | 7–12 | Jan 2024 | M15 Doha, Qatar | World Tennis Tour | Hard | Masamichi Imamura |
 Elliot Benchetrit Antoine Ghibaudo |
6–2, 6–3 |
| Loss | 7–13 | Jan 2024 | M15 Doha, Qatar | World Tennis Tour | Hard | Masamichi Imamura |
 Yanki Erel Ergi Kirkin |
6–4, 3–6, [2–10] |
| Loss | 7–14 | Jun 2024 | M15 Anseong, South Korea | World Tennis Tour | Hard | Ethan Cook |
Kenta Miyoshi Edward Winter |
3–6, 7–5, [6–10] |
Junior Grand Slam finals
Doubles: 1 (1 title)
| Result | Year | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|
| Win | 2018 | French Open |
Clay |  Ondřej Štyler |
 Ray Ho Tseng Chun-hsin |
6–4, 6–4 |
External links
- Naoki Tajima at the Association of Tennis Professionals
- Naoki Tajima at the International Tennis Federation
- Official site: https://naokitajima.tennis/
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