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Hiromasa Koyama

Japan

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All M15 Villena 2 ITF Men Singles M15 Torello ITF Men Singles M25 Badalona ITF Men Singles M15 Monastir 14 ITF Men Singles M15 Karuizawa ITF Men Singles M15 Harmon ITF Men Singles M15 Tokyo ITF Men Singles M15 Tokyo 2 ITF Men Singles M15 Tokyo 3 (Japan) ITF Men Singles M15 Tokyo 4 (Japan) ITF Men Singles M25 Taipei ITF Men Singles M25 Taipei 2 ITF Men Singles M15 Wuning 7 (China) ITF Men Singles M15 Wuning 8 (China) ITF Men Singles M15 Tanagura ITF Men Singles M15 Yanagawa City ITF Men Singles

February 2026

Wed 25 Finished H. Koyama 0:2 2-6 3-6 Samuel Heredia S. Heredia
  1. Loss

March 2026

Wed 4 Finished D. Palan Dominik Palan 2:0 7-5 6-1 H. Koyama
  1. Loss
Wed 18 Finished R. Nijboer Ryan Nijboer 2:0 6-3 6-2 H. Koyama
  1. Loss

April 2026

Wed 15 Finished H. Koyama 2:0 6-3 6-2 A. Abibsi
  1. Win
Thu 16 Finished T. Sahtali Toufik Sahtali 2:0 7-6 6-2 H. Koyama
  1. Loss

May 2026

Wed 27 Finished R. Tanuma Ryota Tanuma 1:2 1-6 6-4 6-7 H. Koyama
  1. Win
Thu 28 Finished H. Koyama 2:0 6-4 6-4 N. Koizumi
  1. Win
Fri 29 Finished H. Shiraishi Hikaru Shiraishi 1:2 6-7 6-2 3-6 H. Koyama
  1. Win
Sat 30 Finished H. Koyama 0:2 3-6 1-6 Jake Delaney Ja. Delaney
  1. Loss

June 2026

Wed 3 Finished H. Koyama 2:0 6-4 6-2 Adrian Arcon A. Arcon
  1. Win
Thu 4 Finished H. Roh Hoyoung Roh 0:2 6-7 2-6 H. Koyama
  1. Win
Fri 5 Finished H. Koyama 2:0 7-6 7-6 Colin Sinclair C. Sinclair
  1. Win
Sat 6 Finished Y. Kadiri Hassani 2:1 6-4 6-7 6-4 H. Koyama
  1. Loss
Wed 10 Finished H. Koyama 0:2 4-6 6-7 Hayden Jones H. Jones
  1. Loss
Wed 17 Finished M. Purcell Max Purcell 2:0 6-2 6-1 H. Koyama
  1. Loss
Tue 30 Finished Y. Takahashi Yusuke Takahashi 2:0 7-6 6-2 H. Koyama
  1. Loss

July 2026

Wed 8 Finished M. Dellavedova Matthew Dellavedova 2:0 7-6 6-0 H. Koyama
  1. Loss

August 2026

Tue 18 Finished Y. Mochizuki Yuki Mochizuki 0:2 4-6 4-6 H. Koyama
  1. Win
Fri 21 Finished H. Koyama 0:2 1-6 2-6 Matthew Dellavedova M. Dellavedova
  1. Loss
Wed 26 Finished H. Koyama 2:1 6-7 6-1 6-2 Shinji Hazawa S. Hazawa
  1. Win
Thu 27 Finished H. Koyama 1:2 6-3 6-7 1-6 Luca Castelnuovo L. Castelnuovo
  1. Loss

September 2026

Wed 2 Finished L. Vickery Lachlan Vickery 0:2 3-6 2-6 H. Koyama
  1. Win
Thu 3 Finished H. Koyama 0:2 4-6 4-6 Qian Sun
  1. Loss
Wed 9 Finished H. Koyama 2:0 6-1 6-4 Y. Xia
  1. Win
Thu 10 Finished H. Koyama 2:0 6-4 6-4 Z. Shao
  1. Win
Fri 11 Finished H. Koyama 2:0 6-1 6-4 Wishaya Trongcharoenchaikul W. Trongcharoenchaikul
  1. Win
Sat 12 Finished J. Choe 0:2 4-6 5-7 H. Koyama
  1. Win
Sun 13 Finished Z. Zhao 0:2 1-6 3-6 H. Koyama
  1. Win

October 2026

Wed 21 Finished T. Karigyo 2:1 6-4 1-6 7-6 H. Koyama
  1. Loss
Wed 28 Finished H. Koyama 0:2 5-7 6-7 Markus Malaszszak M. Malaszszak
  1. Loss