266 SHARES Share Tweet [mc4wp_form id=33047]World number one Carlos Alcaraz defeated American Brandon Nakashima 6-2 6-4 to qualify for the Japan Open semi-finals on Sunday. He said: “These kinds of matches help to keep my confidence really, really high. Meanwhile, At the China Open in Beijing, Daniil Medvedev saw off Alejandro Davidovich Fokina 6-3 6-3 to sail into the quarter-finals. World number nine Lorenzo Mussetti registered a routine 6-3 6-3 win over Frenchman Adrian Mannarino, while American teenager Learner Tien beat Italian Flavio Cobolli 6-3 6-2. 10 Elena Rybakina 6-3, 1-6, 6-4 and American McCartney Kessler was leading Barbora Krejcikova 1-6, 7-5, 3-0 when the Czech player retired from the match.