World No. 1 Carlos Alcaraz is worried about his fitness at the Japan Open after injuring his ankle in a 6-4, 6-2 opening win over Argentina's Sebastian Baez on Thursday. https://www.japantimes.co.jp/sports/2025/09/26/tennis/alcaraz-ankle-injury-japan-open/?utm_medium=Social&utm_source=mastodon #tennis #carlosalcaraz #japanopen #taylorfritz