Player data updated: 2026-09-01 02:16 UTC

Toshiharu Kato

JPN Plays: Right-Handed

Toshiharu Kato represented Japan on the ATP Tour and reached a career-high ranking of No. 823. In TennisDB's records, Toshiharu Kato finished with a career record of 0–0 and no singles titles.

Peak ranking

823 (Oct 11, 2004)

Elo peak

1500 (3rd percentile)

Career record

0–0

Career titles

Prize money

$20,417

Records cover recorded main-draw singles results in TennisDB's ATP event archive, including credited walkovers; qualifying is shown separately below.

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ATP Matches full match log →

Toshiharu Kato's recent, live, and scheduled ATP matches
Opponent	Score	Result	H2H	Match Data	Date	Round	Tournament	Category	Surface
Jean-Claude Scherrer #466	6-7(3) 4-6	L	H2H	Match data	Oct 1, 2007	Q1 Q	Japan Open	ATP 500	Hard

Qualifying matches are shown here but excluded from main-draw summaries and leaderboards.

Career Results

Toshiharu Kato career results by season
Season	Type	W	L	M	Win %	Start Rank	End Rank
2007	Qualifying Q	0	1	1	0.0%	—	—
Career	—	0	0	0	—	—	—

Career Results by Surface

Toshiharu Kato career results by season and surface
Season	Type	Hard				Clay				Grass				Total
Season	Type	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %	W	L	M	Win %
2007	Qualifying Q	0	1	1	0.0%	—	—	—	—	—	—	—	—	0	1	1	0.0%

Advanced Stats

Toshiharu Kato advanced statistics by season
Season	Elo	P+	Serve+	Return+	PD	TPW%	Hard Elo	Clay Elo	Grass Elo	Set Win %	Set Margin	Dec. Set	Tiebreak	Pressure+	Schedule
2007	1481	97.7	—	—	—	—	—	—	—	—	—	—	—	—	—
Career	1500	98.8	—	—	—	—	—	—	—	—	—	—	—	—	—

Tournament Results by Category

ATP 500

Toshiharu Kato ATP 500 results by season
Season	TKY	W-L Win %
2007	Q1	0–1 (0%)
W-L	0–1 (0%)	0–1 (0%)

Results show the best round reached per tournament and season.

ATP Ranking History full ranking history →

Current rank

1538

Career high

823

Career-high date

Oct 11, 2004

First Top 100

—

First Top 50

—

First Top 20

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First Top 10

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Ranking History Matrix

Toshiharu Kato ranking history by month and season
Season	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1998	—	—	—	—	—	—	1332	1338	1304	1322	1273	1256
1999	1244	1240	1233	1222	1227	1227	1199	1192	1194	1198	1198	1190
2000	1207	1205	1213	1152	1176	1160	1215	1218	1230	1143	1066	1051
2001	1047	1047	1048	950	962	975	962	959	944	964	1025	1024
2002	1024	1012	1012	1207	1214	1219	1073	1074	1122	1104	1092	1089
2003	1093	1093	1095	1038	1037	940	1029	1042	1067	1138	1125	1146
2004	1146	1134	1137	1202	959	1002	1005	1008	990	833	837	848
2005	848	858	850	858	954	939	904	926	946	1133	1120	1099
2006	1099	1093	1102	1105	1114	1018	1062	1050	1087	1097	1086	1088
2007	1091	1085	1061	1023	1067	1290	1217	1209	1155	1151	1168	1176
2008	1180	1186	1185	1229	1220	1318	1489	1500	1885	1886	1823	1823
2009	1818	1799	1787	1708	1694	1591	1426	1400	1587	1542	1606	1597
2010	1597	1580	1574	1575	1566	1538	—	—	—	—	—	—

Frequently Asked Questions

Which country does Toshiharu Kato represent?: Toshiharu Kato represents Japan in TennisDB's ATP records.
Is Toshiharu Kato left-handed or right-handed?: Toshiharu Kato plays right-handed.
How many Grand Slams has Toshiharu Kato won?: Toshiharu Kato has not won a Grand Slam title.
How many Masters 1000 titles has Toshiharu Kato won?: TennisDB does not group any of Toshiharu Kato's titles under the modern Masters 1000 category.
What is Toshiharu Kato's highest ATP ranking?: Toshiharu Kato's career-high ATP singles ranking is world No. 823, first achieved on October 11, 2004.
What is Toshiharu Kato's career win-loss record?: Toshiharu Kato has a career ATP singles record of 0 wins and 0 losses.
How much career prize money has Toshiharu Kato earned?: Toshiharu Kato has earned at least $20,417 in career prize money from professional tennis.