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Hiromasa Koyama (JPN)

Country: Japan, Born in 2007 (17 years old), Category: ATP
ATP Ranking
1809 -13
Season High : 1553
Career High : 1553
ITF Ranking
275 -22
Season High : 76
Career High : 76
Tierlevel Tourn. Titles Matches Wins Losses PCT 6-0 0-6 7-6 6-7
Total 18 0 24 6 18 0.250 0 5 2 3
M25 2 0 2 0 2 0.000 0 0 0 0
M15 8 0 10 2 8 0.200 0 2 1 2
JR Grand Slam Boys 1 0 1 0 1 0.000 0 1 1 0
J500 Boys 1 0 1 0 1 0.000 0 1 0 0
J300 Boys 4 0 6 2 4 0.333 0 1 0 0
J200 Boys 2 0 4 2 2 0.500 0 0 0 1
Dec 01 M15 [Q] M15 Antalya 30, Antalya(TUR)
Dec 01 M15 1/16 M15 Antalya 30, Antalya(TUR)
Oct 20 M15 [Q] M15 Tanagura 13, Tanagura(JPN)
Oct 20 M15 1/16 M15 Tanagura 13, Tanagura(JPN)
Sep 22 J500B 1/32 J500 Osaka \ Osaka Mayor's Cup - World Super Junior Tennis Championships, Osaka(JPN)
Sep 15 M25 [Q] M25 Takasaki 12, Takasaki(JPN)
Sep 08 M25 1/16 M25 Sapporo 11, Sapporo(JPN)
Sep 01 M25 1/16 M25 Sapporo 10, Sapporo(JPN)
Aug 11 M15 [Q] M15 Singapore 02, Singapore(SGP)
Aug 04 M15 [Q] M15 Singapore 01, Singapore(SGP)
Jul 07 M15 1/8 M15 Tokyo 09, Tokyo(JPN)
Jun 30 M15 1/8 M15 Tokyo 08, Tokyo(JPN)
May 26 J300B [Q] J300 Charleroi-Marcinelle \ Astrid Bowl Charleroi Belgain International Championships, Charleroi(BEL)
May 19 J500B [Q] J500 Milan \ Trofeo Bonfiglio, Milan(ITA)
Apr 28 J300B 1/16 J300 Nonthaburi (Asia/Oceania Regional Championships), Nonthaburi(THA)
Apr 22 J300B QF J300 Kuching \ ITF World Tennis Tour Juniors J300 Premier Sarawak Cup I, Kuching(MAS)
Apr 15 J200B 1/8 J200 Kuala Lumpur \ Kuala Lumpur ITF World Tennis Tour Juniors, Kuala Lumpur(MAS)
Mar 31 M15 1/16 M15 Kashiwa 04, Kashiwa(JPN)
Mar 24 M15 1/16 M15 Tsukuba 03, Tsukuba(JPN)
Mar 17 M15 1/16 M15 Nishi-Tokyo 02, Tokyo(JPN)
Mar 10 M15 1/16 M15 Hinode 01, Hinode(JPN)
Mar 03 J300B 1/16 J300 Nonthaburi \ LTAT ITF Junior Tournament, Nonthaburi(THA)
Feb 24 J200B 1/8 J200 Nonthaburi \ PTT ITF Juniors Grade 2, Nonthaburi(THA)
Jan 18 GS B 1/32 Australian Open, Melbourne(AUS)
Jan 18 GS B [Q] Australian Open, Melbourne(AUS)
Jan 10 J300B 1/32 J300 Traralgon \ Loy Yang Power Traralgon International, Traralgon(AUS)
Jan 10 J300B [Q] J300 Traralgon \ Loy Yang Power Traralgon International, Traralgon(AUS)
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