24 and top-seed, Caroline Garcia. Vekić ended the season ranked world No. 101. 2017: Second WTA title She reached the second round at the Australian Open and then lost to Caroline Wozniacki. Vekić won her second WTA Tour title at the Nottingham Open in June, defeating Johanna Konta in three sets. Two weeks later, in the second round of the Wimbledon Championships, she lost to Konta in three sets, with the final set lasting eighteen games. At the US Open, she reached the third round of a Grand Slam tournament for the first time since the 2015 French Open, easily losing to Anastasija Sevastova. Vekić broke into the top 50 for the first time in July, reached a career-high singles ranking of No. 45 on 25 September, and ended the season ranked No. 56. 2018: Continued success, top 50 year-end ranking At the 2018 Wimbledon Championships, Vekić reached the fourth round in a Grand Slam for the first time in her career. She upset world No. 4, Sloane Stephens, in the first round, then beat Rebecca Peterson and Yanina Wickmayer in straight sets before losing to eventual semi-finalist Julia Görges. Following Wimbledon, she made the final at the Washington Open; however, she lost to Svetlana Kuznetsova in three sets, after squandering four match points in the second set. In September, Vekić reached the semifinals in Tokyo by defeating top-10 players Sloane Stephens and Caroline Garcia. She ended the season ranked 34, her first year-end top 50 rankings. 2019: First Grand Slam quarterfinal, consistent results, top 20 year-end ranking Vekić started the year strong by reaching the semifinals in Brisbane, but was unable to keep this momentum at the Australian Open, being upset in the second round by the Australian wildcard and world No. 240, Kimberly Birrell. She rebounded at her next tournament, reaching the biggest final of her career at the St. Petersburg Trophy, a Premier-level event. Along the way, she upset the defending champion, world No. 2 and Australian Open runner-up, Petra Kvitová, in the quarterfinals, her first career win over the Czech. In the final, she was beaten by world No. 8, Kiki Bertens, in two close sets. She then reached another semifinal in Acapulco, losing to eventual champion Wang Yafan, before recording early round exits in both Indian Wells and Miami. Vekić only played two clay-court warm-up tournaments, losing in the quarterfinals to world No. 1, Naomi