Bianca Andreescu made her debut at the tournament in San Diego (WTA 500), the athlete of Romanian origin beat her opponent with the best rating in the world hierarchy.

Bianca AndreescuPhoto: Sean M. Haffey/Getty images/Profimedia

Sofia Kenin does not recover – Caroline Garcia (seventh favorite), surprisingly defeated

Andreescu (57th place in the world ranking) won in three sets with a score of 7-6 (1), 4-6, 6-2 against the Russian Lyudmila Samsonova (23rd place in the world ranking).

For a place in the quarter, Bianca will have to fight with the winner of the match between Coco Gauff (sixth favorite) and Robin Montgomery.

Andreescu v. Samsonova, summary

Sofia Kenin (Grand Slam winner and former world number four) was not doing so well. The American lost in three sets to compatriot KoKo Vandeweghe.

Caroline Garcia, the seventh seed and one of the most in-form players in recent months, crashed out of the tournament in the first round. The Frenchwoman was defeated by Danielle Collins.

WTA San Diego, results registered on Tuesday in the first round

CoCo Vandeweghe – Sofia Kenin 6-1, 1-6, 6-4

Madison Keys – Ellen Perez 6-1, 6-4

Danielle Collins – Caroline Garcia (7) 6-2, 7-6(4)

Martina Trevisan – Maria Camila Osorio 6-3, 6-4

Louise Chirico – Alison Riske-Amritrai 1-6, 7-5, 7-6(5)

Bianca Andreescu – Lyudmila Samsonova 7-6(1), 4-6, 6-2

The San Diego Open takes place from October 10 to 16, is contested on hard courts, has a total prize pool of $757,900, is in the WTA 500 category, and the main favorite is Iga Sviatek.