2025 Matsuyama Challenger

The 2025 Ehime International Open Tennis was a professional tennis tournament played on hardcourts. It was the fourth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Matsuyama, Japan, between 3 and 9 November 2025.

Singles main-draw entrants

Seeds

¹ Rankings are as of 27 October 2025.

Other entrants

The following players received wildcards into the singles main draw:

The following player received entry into the singles main draw through the Junior Accelerator programme:

Kaylan Bigun

The following players received entry from the qualifying draw:

Max Basing
Takuya Kumasaka
Koki Matsuda
Ryuki Matsuda
Yuki Mochizuki
Shunsuke Nakagawa

Champions

Singles

Henrique Rocha def. Sho Shimabukuro 7–5, 3–6, 6–2.

Doubles

Marc-Andrea Hüsler / Garrett Johns def. Finn Reynolds / James Watt 6–3, 6–4.