ATP roundup: Hurkacz and Ruud through in Estoril, Shelton into Houston semis
ATP roundup: Nuno Borges delights home crowd in Estoril as clay quarters loom
Alcaraz holds off Evans to reach US Open fourth round
Isner calls it quits after US Open loss to Mmoh
Tennis Tracker: Tsitsipas victorious in Mexico as Pegula advances in Washington
Zverev fulfils low expectations with second-round exit after long injury lay-off
Struggling Zverev dumped out in Australian Open round two by Mmoh
