HISTORY
INTERNATIONAL SOFT TENNIS FEDERATION
List of all world championships
| NO | NAME OFWSTC | VENUE OFWSTC | COMPETITION PERIOD |
| 1 | 1st World Soft Tennis Championships | Hawaii, USA | Oct. 9th, 1975-Oct. 13th, 1975 |
| 2 | 2nd World Soft Tennis Championships | Taichung, Chinese Taipei | Aug. 27th, 1977-Aug. 31st, 1977 |
| 3 | 3rd World Soft Tennis Championships | Daegu, Republic of Korea | Aug. 24th，1979 - Aug. 27th, 1979 |
| 4 | 4th World Soft Tennis Championships | Hawaii, USA | Aug.22nd, 1981-Aug. 25th, 1981 |
| 5 | 5th World Soft Tennis Championships | Taichung, Chinese Taipei | Aug. 20th, 1983-Aug.24th, 1983 |
| 6 | 6th World Soft Tennis Championships | Nagoya, Japan | Aug. 23rd, 1985-Aug. 27th,1985 |
| 7 | 7th World Soft Tennis Championships | Seoul, Republic of Korea | Aug. 25th, 1987-Aug. 29thJ987 |
| 8 | No Competition | ||
| 9 | 9ht World Soft Tennis Championships | Seoul, Republic of Korea | Sep. 28th, 1991-Oct. 02nd, 1991 |
| 10 | 10th World Soft Tennis Championships | GiFu，Japan | Oct. 25th，1995-Nov. 01st, 1995 |
| 11 | 11th World Soft Tennis Championships | Taipei, Chinese Taipei | Dec. 8th, 1999-Dec. 16th, 1999 |
| 12 | 12th World Soft Tennis Championships | Hiroshima, Japan | Nov. 5th, 2003-Nov.11th, 2003 |
| 13 | 13th World Soft Tennis Championships | Anseong, Korea | Sep. 08th, 2007-Sep.13th, 2007 |
| 14 | 14th World Soft Tennis Championships | Munkyoung, Korea | Oct. 27th，2011-Nov.M 2011 |
| 15 | 15th World Soft Tennis Championships | New Delhi, INDIA | Nov 17-21, 2015-Nov.15th, 2015 |
| 16 | 16th World Soft Tennis Championships | Taizhou, China | Oct. 25th，2019-Nov.M 2019 |