| Rei Sakamoto | |
| Birth Date: | 2006 6, df=yes |
| Birth Place: | Nagoya, Japan |
| Height: | 1.93m (06.33feet) |
| Plays: | Right-handed (two-handed backhand) |
| Careerprizemoney: | US $44,162 |
| Singlesrecord: | 0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Singlestitles: | 0 1 Challenger |
| Highestsinglesranking: | No. 412 (2 December 2024) |
| Currentsinglesranking: | No. 412 (2 December 2024) |
| Australianopenjuniorresult: | W (2024) |
| Frenchopenjuniorresult: | QF (2024) |
| Wimbledonjuniorresult: | 3R (2023) |
| Usopenjuniorresult: | SF (2024) |
| Doublesrecord: | 0–1 (at ATP Tour level, Grand Slam level, and in Davis Cup) |
| Doublestitles: | 0 |
| Highestdoublesranking: | No. 848 (2 December 2024) |
| Currentdoublesranking: | No. 848 (2 December 2024) |
| Australianopendoublesjuniorresult: | SF (2024) |
| Frenchopendoublesjuniorresult: | F (2024) |
| Wimbledondoublesjuniorresult: | 1R (2023) |
| Usopendoublesjuniorresult: | W (2024) |
| Updated: | 2 December 2024 |
is a Japanese tennis player.He has a career high ATP singles ranking of world No. 412 achieved on 2 December 2024. He also has a career high ATP doubles ranking of No. 848 achieved on that same date.[1]
Sakamoto won the 2024 Australian Open boys' singles title after defeating Jan Kumstát in three sets.[2] [3] Partnering Maxim Mrva, he also won the boys' doubles at the 2024 US Open, defeating Denis Peták and Flynn Thomas in the final.[4]
He received a wildcard for qualifying competition at the 2024 Miami Open but lost to Vít Kopřiva in the first round.[5]
At the age of 18 and five months, Sakamoto won his first title at the 2024 Yokkaichi Challenger becoming the second youngest Japanese titlist after Kei Nishikori to lift an ATP Challenger trophy in history. As a result he reached the top 500 in the rankings on 2 December 2024.[6] [7]
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|---|
| Win | 1–0 | M15 Sharm El Sheikh, Egypt | WTT | Hard |  Jan Hrazdil |  Emile Hudd David Stevenson | 6–3, 6–7(8–10), [11–9] | ||
| Loss | 1–1 | M15 Cervia, Italy | WTT | Clay |  Federico Bondioli | Gianluca Cadenasso Jacopo Bilardo | walkover |
| Result | Year | width=150 | Tournament | Surface | width=150 | Opponent | width=150 | Score |
|---|---|---|---|---|---|---|---|---|
| Win | 2024 | Australian Open | Hard | Jan Kumstát | 3–6, 7–6(7–2), 7–5 |
| Result | Year | width=150 | Tournament | Surface | width=150 | Partner | width=150 | Opponents | width=150 | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| Loss | 2024 | French Open | Clay | Federico Cinà |  Nicolai Budkov Kjær  Joel Schwärzler | 4–6, 6–7(3–7) | ||||
| Win | 2024 | US Open | Hard | Maxim Mrva | Denis Peták Flynn Thomas | 7–5, 7–6(7–1) |