Ranking history updated: 2026-03-17 04:30 UTC
Toshiharu Kato ATP Ranking History
Toshiharu Kato's ATP ranking history, with year-by-year summaries plus every available weekly rank, age and points snapshot.
Latest Rank
1,538
Latest date
Jun 28, 2010
Career high
823
Career-high date
Oct 11, 2004
Career-high points
11
Points-high date
Oct 11, 2004
Best year-end
848
Weeks at #1
0
Coverage: 620 distinct observed ranking weeks, Jul 27, 1998–Jun 28, 2010. Available-week totals may undercount careers where historical snapshots are missing. Weeks at No. 1 counts available snapshots.
Select a legend item to show or hide that series. Focus the chart and use the left and right arrow keys to inspect ranking snapshots.
| Season | Date | Week | Age | Rank | Points |
|---|---|---|---|---|---|
| 2006 | Aug 28 | 35 | — | #1,050 | 7 |
| 2006 | Aug 21 | 34 | — | #1,055 | 7 |
| 2006 | Aug 14 | 33 | — | #1,063 | 7 |
| 2006 | Aug 7 | 32 | — | #1,059 | 7 |
| 2006 | Jul 31 | 31 | — | #1,062 | 7 |
| 2006 | Jul 24 | 30 | — | #1,061 | 7 |
| 2006 | Jul 17 | 29 | — | #1,065 | 7 |
| 2006 | Jul 10 | 28 | — | #1,058 | 7 |
| 2006 | Jul 3 | 27 | — | #1,018 | 8 |
| 2006 | Jun 26 | 26 | — | #1,018 | 8 |
| 2006 | Jun 19 | 25 | — | #1,038 | 7 |
| 2006 | Jun 12 | 24 | — | #1,044 | 7 |
| 2006 | Jun 5 | 23 | — | #1,114 | 6 |
| 2006 | May 29 | 22 | — | #1,114 | 6 |
| 2006 | May 22 | 21 | — | #1,104 | 6 |
| 2006 | May 15 | 20 | — | #1,107 | 6 |
| 2006 | May 8 | 19 | — | #1,106 | 6 |
| 2006 | May 1 | 18 | — | #1,107 | 6 |
| 2006 | Apr 24 | 17 | — | #1,105 | 6 |
| 2006 | Apr 17 | 16 | — | #1,107 | 6 |
| 2006 | Apr 10 | 15 | — | #1,104 | 6 |
| 2006 | Apr 3 | 14 | — | #1,100 | 6 |
| 2006 | Mar 27 | 13 | — | #1,102 | 6 |
| 2006 | Mar 20 | 12 | — | #1,102 | 6 |
| 2006 | Mar 13 | 11 | — | #1,088 | 6 |
| 2006 | Mar 6 | 10 | — | #1,088 | 6 |
| 2006 | Feb 27 | 9 | — | #1,093 | 6 |
| 2006 | Feb 20 | 8 | — | #1,094 | 6 |
| 2006 | Feb 13 | 7 | — | #1,096 | 6 |
| 2006 | Feb 6 | 6 | — | #1,096 | 6 |
| 2006 | Jan 30 | 5 | — | #1,099 | 6 |
| 2006 | Jan 23 | 4 | — | #1,098 | 6 |
| 2006 | Jan 16 | 3 | — | #1,098 | 6 |
| 2006 | Jan 9 | 2 | — | #1,099 | 6 |
| 2006 | Jan 2 | 1 | — | #1,099 | 6 |
| 2005 | Dec 26 | 52 | — | #1,099 | 6 |
| 2005 | Dec 19 | 51 | — | #1,099 | 6 |
| 2005 | Dec 12 | 50 | — | #1,099 | 6 |
| 2005 | Dec 5 | 49 | — | #1,100 | 6 |
| 2005 | Nov 28 | 48 | — | #1,120 | 6 |
| 2005 | Nov 21 | 47 | — | #1,119 | 6 |
| 2005 | Nov 14 | 46 | — | #1,119 | 6 |
| 2005 | Nov 7 | 45 | — | #1,129 | 6 |
| 2005 | Oct 31 | 44 | — | #1,133 | 6 |
| 2005 | Oct 24 | 43 | — | #1,128 | 6 |
| 2005 | Oct 17 | 42 | — | #1,121 | 6 |
| 2005 | Oct 10 | 41 | — | #1,128 | 6 |
| 2005 | Oct 3 | 40 | — | #965 | 9 |
| 2005 | Sep 26 | 39 | — | #946 | 10 |
| 2005 | Sep 19 | 38 | — | #939 | 10 |
| 2005 | Sep 12 | 37 | — | #915 | 11 |
| 2005 | Sep 5 | 36 | — | #926 | 10 |
| 2005 | Aug 29 | 35 | — | #926 | 10 |
| 2005 | Aug 22 | 34 | — | #916 | 10 |
| 2005 | Aug 15 | 33 | — | #910 | 10 |
| 2005 | Aug 8 | 32 | — | #901 | 10 |
| 2005 | Aug 1 | 31 | — | #904 | 10 |
| 2005 | Jul 25 | 30 | — | #904 | 10 |
| 2005 | Jul 18 | 29 | — | #904 | 10 |
| 2005 | Jul 11 | 28 | — | #911 | 10 |
| 2005 | Jul 4 | 27 | — | #912 | 10 |
| 2005 | Jun 27 | 26 | — | #939 | 9 |
| 2005 | Jun 20 | 25 | — | #939 | 9 |
| 2005 | Jun 13 | 24 | — | #938 | 9 |
| 2005 | Jun 6 | 23 | — | #940 | 9 |
| 2005 | May 30 | 22 | — | #954 | 8 |
| 2005 | May 23 | 21 | — | #954 | 8 |
| 2005 | May 16 | 20 | — | #951 | 8 |
| 2005 | May 9 | 19 | — | #951 | 8 |
| 2005 | May 2 | 18 | — | #862 | 11 |
| 2005 | Apr 25 | 17 | — | #858 | 11 |
| 2005 | Apr 18 | 16 | — | #854 | 11 |
| 2005 | Apr 11 | 15 | — | #850 | 11 |
| 2005 | Apr 4 | 14 | — | #847 | 11 |
| 2005 | Mar 28 | 13 | — | #850 | 11 |
| 2005 | Mar 21 | 12 | — | #850 | 11 |
| 2005 | Mar 14 | 11 | — | #855 | 11 |
| 2005 | Mar 7 | 10 | — | #855 | 11 |
| 2005 | Feb 28 | 9 | — | #858 | 11 |
| 2005 | Feb 21 | 8 | — | #858 | 11 |
| 2005 | Feb 14 | 7 | — | #852 | 11 |
| 2005 | Feb 7 | 6 | — | #848 | 11 |
| 2005 | Jan 31 | 5 | — | #848 | 11 |
| 2005 | Jan 24 | 4 | — | #845 | 11 |
| 2005 | Jan 17 | 3 | — | #845 | 11 |
| 2005 | Jan 10 | 2 | — | #845 | 11 |
| 2005 | Jan 3 | 1 | — | #848 | 11 |
| 2004 | Dec 27 | 53 | — | #848 | 11 |
| 2004 | Dec 20 | 52 | — | #848 | 11 |
| 2004 | Dec 13 | 51 | — | #841 | 11 |
| 2004 | Dec 6 | 50 | — | #839 | 11 |
| 2004 | Nov 29 | 49 | — | #837 | 11 |
| 2004 | Nov 22 | 48 | — | #838 | 11 |
| 2004 | Nov 15 | 47 | — | #835 | 11 |
| 2004 | Nov 8 | 46 | — | #836 | 11 |
| 2004 | Nov 1 | 45 | — | #839 | 11 |
| 2004 | Oct 25 | 44 | — | #833 | 11 |
| 2004 | Oct 18 | 43 | — | #828 | 11 |
| 2004 | Oct 11 | 42 | — | #823 | 11 |
| 2004 | Oct 4 | 41 | — | #946 | 7 |
| 2004 | Sep 27 | 40 | — | #990 | 6 |
| 2004 | Sep 20 | 39 | — | #993 | 6 |
| 2004 | Sep 13 | 38 | — | #991 | 6 |
| 2004 | Sep 6 | 37 | — | #1,008 | 6 |
| 2004 | Aug 30 | 36 | — | #1,008 | 6 |
| 2004 | Aug 23 | 35 | — | #995 | 6 |
| 2004 | Aug 16 | 34 | — | #991 | 6 |
| 2004 | Aug 9 | 33 | — | #1,000 | 6 |
| 2004 | Aug 2 | 32 | — | #1,005 | 6 |
| 2004 | Jul 26 | 31 | — | #1,005 | 6 |
| 2004 | Jul 19 | 30 | — | #1,004 | 6 |
| 2004 | Jul 12 | 29 | — | #1,008 | 6 |
| 2004 | Jul 5 | 28 | — | #1,008 | 6 |
| 2004 | Jun 28 | 27 | — | #1,002 | 6 |
| 2004 | Jun 21 | 26 | — | #1,002 | 6 |
| 2004 | Jun 14 | 25 | — | #1,008 | 6 |
| 2004 | Jun 7 | 24 | — | #964 | 7 |
| 2004 | May 31 | 23 | — | #959 | 7 |
| 2004 | May 24 | 22 | — | #959 | 7 |
| 2004 | May 17 | 21 | — | #956 | 7 |
| 2004 | May 10 | 20 | — | #951 | 7 |
| 2004 | May 3 | 19 | — | #1,191 | 3 |
| 2004 | Apr 26 | 18 | — | #1,202 | 3 |
| 2004 | Apr 19 | 17 | — | #1,139 | 4 |
| 2004 | Apr 12 | 16 | — | #1,142 | 4 |
| 2004 | Apr 5 | 15 | — | #1,140 | 4 |
| 2004 | Mar 29 | 14 | — | #1,137 | 4 |
| 2004 | Mar 22 | 13 | — | #1,137 | 4 |
| 2004 | Mar 15 | 12 | — | #1,131 | 4 |
| 2004 | Mar 8 | 11 | — | #1,131 | 4 |
| 2004 | Mar 1 | 10 | — | #1,135 | 4 |
| 2004 | Feb 23 | 9 | — | #1,134 | 4 |
| 2004 | Feb 16 | 8 | — | #1,138 | 4 |
| 2004 | Feb 9 | 7 | — | #1,136 | 4 |
| 2004 | Feb 2 | 6 | — | #1,137 | 4 |
| 2004 | Jan 26 | 5 | — | #1,146 | 4 |
| 2004 | Jan 19 | 4 | — | #1,146 | 4 |
| 2004 | Jan 12 | 3 | — | #1,146 | 4 |
| 2004 | Jan 5 | 2 | — | #1,146 | 4 |
| 2003 | Dec 29 | 1 | — | #1,146 | 4 |
| 2003 | Dec 22 | 52 | — | #1,146 | 4 |
| 2003 | Dec 15 | 51 | — | #1,146 | 4 |
| 2003 | Dec 8 | 50 | — | #1,145 | 4 |
| 2003 | Dec 1 | 49 | — | #1,135 | 4 |
| 2003 | Nov 24 | 48 | — | #1,125 | 4 |
| 2003 | Nov 17 | 47 | — | #1,128 | 4 |
| 2003 | Nov 10 | 46 | — | #1,132 | 4 |
| 2003 | Nov 3 | 45 | — | #1,130 | 4 |
| 2003 | Oct 27 | 44 | — | #1,138 | 4 |
| 2003 | Oct 20 | 43 | — | #1,137 | 4 |
| 2003 | Oct 13 | 42 | — | #1,136 | 4 |
| 2003 | Oct 6 | 41 | — | #1,132 | 4 |
| 2003 | Sep 29 | 40 | — | #1,067 | 5 |
| 2003 | Sep 22 | 39 | — | #1,065 | 5 |
| 2003 | Sep 15 | 38 | — | #1,121 | 4 |
| 2003 | Sep 8 | 37 | — | #1,049 | 5 |
| 2003 | Sep 1 | 36 | — | #1,042 | 5 |
| 2003 | Aug 25 | 35 | — | #1,042 | 5 |
| 2003 | Aug 18 | 34 | — | #1,032 | 5 |
| 2003 | Aug 11 | 33 | — | #1,029 | 5 |
| 2003 | Aug 4 | 32 | — | #1,024 | 5 |
| 2003 | Jul 28 | 31 | — | #1,029 | 5 |
| 2003 | Jul 21 | 30 | — | #1,027 | 5 |
| 2003 | Jul 14 | 29 | — | #1,024 | 5 |
| 2003 | Jul 7 | 28 | — | #1,026 | 5 |
| 2003 | Jun 30 | 27 | — | #940 | 7 |
| 2003 | Jun 23 | 26 | — | #940 | 7 |
| 2003 | Jun 16 | 25 | — | #944 | 7 |
| 2003 | Jun 9 | 24 | — | #1,041 | 5 |
| 2003 | Jun 2 | 23 | — | #1,037 | 5 |
| 2003 | May 26 | 22 | — | #1,037 | 5 |
| 2003 | May 19 | 21 | — | #1,049 | 5 |
| 2003 | May 12 | 20 | — | #1,042 | 5 |
| 2003 | May 5 | 19 | — | #1,036 | 5 |
| 2003 | Apr 28 | 18 | — | #1,038 | 5 |
| 2003 | Apr 21 | 17 | — | #1,089 | 4 |
| 2003 | Apr 14 | 16 | — | #1,091 | 4 |
| 2003 | Apr 7 | 15 | — | #1,095 | 4 |
| 2003 | Mar 31 | 14 | — | #1,095 | 4 |
| 2003 | Mar 24 | 13 | — | #1,092 | 4 |
| 2003 | Mar 17 | 12 | — | #1,092 | 4 |
| 2003 | Mar 10 | 11 | — | #1,095 | 4 |
| 2003 | Mar 3 | 10 | — | #1,093 | 4 |
| 2003 | Feb 24 | 9 | — | #1,093 | 4 |
| 2003 | Feb 17 | 8 | — | #1,093 | 4 |
| 2003 | Feb 10 | 7 | — | #1,095 | 4 |
| 2003 | Feb 3 | 6 | — | #1,097 | 4 |
| 2003 | Jan 27 | 5 | — | #1,093 | 4 |
| 2003 | Jan 20 | 4 | — | #1,089 | 4 |
| 2003 | Jan 13 | 3 | — | #1,089 | 4 |
| 2003 | Jan 6 | 2 | — | #1,089 | 4 |
| 2002 | Dec 30 | 1 | — | #1,089 | 4 |
| 2002 | Dec 23 | 52 | — | #1,089 | 4 |
| 2002 | Dec 16 | 51 | — | #1,089 | 4 |
| 2002 | Dec 9 | 50 | — | #1,086 | 4 |
| 2002 | Dec 2 | 49 | — | #1,091 | 4 |
| 2002 | Nov 25 | 48 | — | #1,092 | 4 |
| 2002 | Nov 18 | 47 | — | #1,093 | 4 |
| 2002 | Nov 11 | 46 | — | #932 | 7 |
| 2002 | Nov 4 | 45 | — | #1,098 | 4 |