Mariana Herdener (CHI)
Country: Chile (14 years old),
Category: 16 & Under, Girls
| Tierlevel | Tourn. | Titles | Matches | Wins | Losses | PCT | 6-0 | 0-6 | 7-6 | 6-7 | Total | 12 | 0 | 25 | 13 | 12 | 0.520 | 4 | 4 | 0 | 1 |
|---|---|---|---|---|---|---|---|---|---|---|
| Girls 16 | 1 | 0 | 2 | 1 | 1 | 0.500 | 0 | 0 | 0 | 0 |
| Girls 14 | 11 | 0 | 23 | 12 | 11 | 0.522 | 4 | 4 | 0 | 1 |
Tournaments played in 2025
See detailed tennis results of Mariana Herdener| Nov 17 | G16 | SF | Copa Norma Baylon, Neuquen(ARG) |
| Sep 08 | G14 | SF | Copa Ciudad de Concepcion, Concepcion(CHI) |
| Sep 01 | G14 | SF | Copa Federacion, Lima(PER) |
| Aug 25 | G14 | 1/16 | Regatas Bowl, Lima(PER) |
| Aug 18 | G14 | SF | Lima Open, Lima(PER) |
| May 05 | G14 | 1/8 | Open La Serena, La Serena(CHI) |
| Apr 28 | G14 | QF | Club de Tenis Trentino, La Serena(CHI) |
| Apr 21 | G14 | 1/8 | Rakiura Cup, Luque(PAR) |
| Apr 14 | G14 | 1/16 | International Pascuas Bowl, Asuncion(PAR) |
| Mar 10 | G14 | 1/8 | Club Santiago, Santiago(CHI) |
| Mar 03 | G14 | QF | Estadio Espanol de Talca, Talca(CHI) |
| Jan 13 | G14 | 1/8 | Hotel del Lago Open, Maldonado(URU) |
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