Year | Number of competing nations |
1963 | 16 |
1964 | 20 |
1965 | 11 |
1966 | 20 |
1967 | 15 |
1968 | 22 |
1969 | 18 |
1970 | 19 |
1971 | 12 |
1972 | 31 |
1973 | 28 |
1974 | 27 |
1975 | 30 |
1976 | 36 |
1977 | 32 |
1978 | 35 |
1979 | 31 |
1980 | 32 |
1981 | 32 |
1982 | 31 |
1983 | 38 |
1984 | 36 |
1985 | 38 |
1986 | 41 |
1987 | 41 |
1988 | 36 |
1989 | 40 |
1990 | 47 |
1991 | 56 |
1992 | 68 |
1993 | 69 |
1994 | 73 |
1995 | 87 |
1996 | 87 |
1997 | 96 |
1998 | 97 |
1999 | 95 |
2000 | 100 |
2001 | 90 |
2002 | 83 |
2003 | 79 |
2004 | 77 |
2005 | 76 |
2006 | 76 |
2007 | 75 |
2008 | 84 |
2009 | 75 |
2010 | 80 |
2011 | 81 |
2012 | 85 |
2013 | 90 |
2014 | 91 |
2015 | 90 |
2016 | 90 |
2017 | 95 |
2018 | 96 |
2019 | 93 |
2020/21 | 97 |
2022 | 110 |
2023 | 132 |
2024 | 137 |
2025 | 135 |
Historical Records
General Records
Accurate as of November 2025
Number of Nations Competing by Year
Most Games in a Match
No. of games | Tie (most recent first) | Match | Score |
39 | 2023 Asia/Oceania Group III Iran d. Laos 3-0 (in Bahrain) | Yasaman Yazdani (IRI) d. Malaylack Delilah Pathummakuronen (LAO) | 7-6(6) 6-7(6) 7-6(4) |
39 | 2023 Qualifiers France d. Great Britain 3-1 (in Great Britain) | Caroline Garcia (FRA) d. Katie Boulter (GBR) | 6-7(2) 7-6(4) 7-6(2) |
38 | 2025 Asia/Oceania Group I New Zealand d. Chinese Taipei 2-1 (in India) | Monique Barry (NZL) d. Lin Fang An (TPE) | 5-7 7-6(5) 7-6(2) |
38 | 2024 Asia/Oceania Group II Malaysia d. Uzbekistan 2-1 (in Malaysia) | Daria Shubina (UZB) d. Elsa Wan (MAS) | 5-7 7-6(4) 7-6(3) |
38 | 2019 Americas Group I Brazil d. Argentina 2-1 (in Colombia) | Victoria Bosio (ARG) d. Beatriz Haddad Maia (BRA) | 6-7(3) 7-5 7-6(4) |
38 | 2018 Americas Group I Paraguay d. Brazil 2-0 (in Paraguay) | Veronica Cepede Royg (PAR) d. Beatriz Haddad Maia (BRA) | 6-7(2) 7-5 7-6(9) |
Longest Tiebreaks by Points Played
Tiebreak score | Tie (most recent first) | Match (tiebreak winner in bold) | Match score |
21-19 | 2004 Asia/Oceania Group I (in India) | Manisha Malhotra/Sania Mirza (IND) d. Vlada Ekshibarova/Ivanna Israilova (UZB) | 7-6(19) 6-1 |
18-16 | 2022 Qualifiers (in USA) | Alison Riske (USA) d. Dayana Yastremska (UKR) | 7-6(16) 7-5 |
17-15 | 2017 Americas Group I (in Mexico) | Camila Osorio (COL) d. Gabriela Ce (BRA) | 4-6 6-3 7-6(15) |
17-15 | 2012 Americas Group I (in Brazil) | Catalina Castano (COL) d. Gabriela Paz (VEN) | 7-6(15) 7-5 |
17-15 | 2001 Europe/Africa Group I (in Spain) | Tatiana Kovaltchouk (UKR) d. Natalie Grandin (RSA) | 7-6(15) 6-4 |