Thiago Monteiro
Nishikori wins Australian Open epic and reveals he nearly quit tennis
Zverev on form as champions Germany knock Brazil out of United Cup
ATP round-up: Teenager Justin Engel wins opener in Kazakhstan
Ruud loses to Monteiro but advances with Nadal in Bastad doubles
Tsitsipas ousted by Monteiro as Swiatek coasts into Madrid last 16
Ankle injury forces Alcaraz out of first-round match at Rio Open
ATP round-up: Thiem wins at Swiss Open, Van Assche advances in Bastad