Shunsuke Mitsui

Shunsuke Mitsui (born 20 May 2002) is a tennis player from Japan. Mitsui has a career-high singles ranking of No. 669, and a career-high doubles ranking of No. 453.

All finals

 * Key
 * Italics – Indicates the player lost in the final.
 * † – Indicates a final not played.
 * Singles
 * Grade 1 – 🇹🇭 Nonthaburi (4 Mar 2019), 🇲🇾 Sarawak (12 Mar 2019)
 * Grade 2 – 🇰🇷 Chuncheon-si (29 Oct 2019), 🇯🇵 Nagoya (23 Oct 2018)
 * Grade 4 – 🇯🇵 Hyogo (5 Sep 2017, 5 Sep 2018), Manila (14 Nov 2017), 🇲🇾 Terengganu (16 May 2017)
 * Grade 5 – Saipan (23 May 2017)
 * Doubles
 * Grade A – 🇯🇵 Osaka (15 Oct 2018), 🇺🇸 Orange Bowl, Plantation (9 Dec 2019), 🇧🇷 Porto Alegre (18 Feb 2019)
 * Grade B1 – 🇰🇷 Seogwipo (4 Nov 2019)
 * Grade 1 – 🇺🇸 Bradenton (26 Nov 2018), Lambaré (4 Feb 2019), 🇹🇭 Nonthaburi (2 Mar 2020), 🇲🇾 Sarawak (12 Mar 2019)
 * Grade 2 – 🇨🇳 Beijing (8 May 2018), 🇯🇵 Nagoya (22 Oct 2019), 🇭🇰 Tin Hau (29 Oct 2018)
 * Grade 4 – 🇯🇵 Hyogo (5 Sep 2018), 🇹🇭 Nonthaburi (26 Jun 2017)
 * Grade 5 – Saipan (23 May 2017)

Junior Grand Slam timeline

 * Singles
 * Doubles

Grade A tournaments

 * Singles
 * Doubles