Complex sentence: After winning another challenger title in Seoul, He was into major tournaments main draw at 2015 French Open and 2015 Wimbledon Championships, but he faced seeded players in first round, losing to Philipp Kohlschreiber and John Isner.
Split into simpler sentences: After winning another challenger title in Seoul, He was into major tournaments main draw at 2015 French Open and 2015 Wimbledon Championships. But he faced seeded players in first round, losing to Philipp Kohlschreiber and John Isner.