In an unusual turn of events at the 2026 Miami Open, Czech tennis player Katerina Siniakova was seen executing unsportsmanlike behaviour following her loss to Colombian player Camila Osorio. They both locked heads during the first round on March 18, 2026.

Siniakova made her appearance at the 2026 Miami Open after having last competed at the Indian Wells Masters, where she retired halfway. While facing Elina Svitolina in the round of 16, Siniakova was trailing 6-1, 1-1. However, following the first game point in the second set, the Czech tennis player retired, citing a right hip injury.

Osorio’s last appearance was also at the Indian Wells, where she concluded her run following the loss against the Japanese star Naomi Osaka in the third round. Both competed against each other in the first round at the Miami Open, where the Colombian bested the Czech player 6-1, 6-4. However, the most striking moment came when Katerina Siniakova brushed off Osorio and ignored her after the match concluded.

While Siniakova was seen lying on the court, expressing her discontent, Osorio walked on the opponent’s side of the court and initiated a handshake. However, Siniakova ignored the winner even though the latter followed her till the end of the court, leaving her standing awkwardly and in confusion.

Watch the bizarre handshake drama between Siniakova and Osorio:

Before the 2026 Miami Open, Osorio and Siniakova competed against each other at the 2026 WTA Doha, Qatar – Round of 32 on February 10, in which the Colombian won. She will next compete against Karolina Muchova at the Miami Open.

Mirra Andreeva expresses frustration after her defeat against Katerina Siniakova at the Indian Wells Masters

Fans witnessed a similar spectacle as Katerina Siniakova vs Camila Osorio faceoff during the Czech’s match against defending champion Mirra Andreeva at the 2026 Indian Wells Masters tournament. Siniakova and Andreeva vied against each other in the round of 32, which the Czech dominated with 4-6, 7-6 (7/5), 6-3.

While Andreva entered the tournament as the eighth seed and the defending champion, Siniakova competed as an unseeded player. Andreeva’s discontent throughout the faceoff was unmissable, with the defending champion smashing her racket several times. She threw her racket after after losing the second set tiebreaker, which resulted in a code violation. Andreva repeated the same gesture after the match point. She was seen leaving the court by gesturing and shouting at the spectators.