Buse wins in Sevilla; Darderi, Trungelliti, Zeppieri, Molcan and Harris also claim Challenger titles.
Max Schoenhaus, 18, moves from junior success to the pro ranks, part of Germany's rising group now.
Filip Cristian Jianu, 23, has 13 ITF titles and a career-high No. 210; he aims to break the Top 200
Svrcina, Bellucci and Skatov won major Challenger titles as US Open qualifying begins. Week brief.US
Yannick Hanfmann wins his first ATP Challenger title in five years at Hagen's Platzmann Open.
Lukas Klein wins consecutive ATP Challenger titles, advancing his career with notable victories.
Lukas Klein wins at San Marino Open, while Daniel Mérida captures first Challenger title in Spain.
German player Christoph Negritu excels in singles and doubles with ATP Challenger success and linguistic skill.
