After the defeat in the fourth round of the Washington Open, Naomi Osaka broke up with coach Patrick Mouratoglou. After that, she quickly cooperated with Tomasz Wikikiowski, coach who used to work for a long time of Iga Swiatek. This is a more perfect combination when the Japanese player is playing very well in the Masters 1000 in Canada.
This morning, Osaka encountered Anastasija Sevastova in the 4th round of Canadian Open 2025. Sevastova used to hold the number 11 WTA in the past, but now falls out of the top 300 after a break of play for injury and childbirth. Before an Osaka in high form, the 35 -year -old player lost quickly.

The match started quite balanced with a score of 1-1 after the first two games. However, since then, the game has completely tilted towards Osaka. The Japanese player won the remaining 11 consecutive games, not letting Sevastova any opportunity to protest.
After exactly 49 minutes, the match closed with an overwhelming score of 6-1, 6-0 in favor of Osaka. According to statistics, the world's No. 1 won 53 points compared to 21 of Sevastova, took advantage of all 5 Break Point opportunities, scored 13 Winner points (including 5 ACEs) and not to lose any serve. Meanwhile, Sevastova made a double mistake in both facing the break point and often broken itself with the Shot Shot which is a brand.

With this result, Osaka has officially won tickets to the quarter -finals of Canadian Open 2025. This is the first time in 19 months, the Japanese player has participated in the quarterfinals of a WTA 1000 or Grand Slam, since DOHA 2024. Her next opponent will be the No. 5 Amanda Anisimova seed or 10 Elina Svitolina.
Meanwhile, the No. 2 seed Iga Swiatek had to stop in the 4th round of Canadian Open this year. The reigning champion Wimbledon has just lost to Clara Tauson of Denmark with a score of 7-6 (1), 6-3.