Nick Kyrgios into the semifinals in Houston without having to play the QFs. Mmoh withdrew. First clay semifinal for Kyrgios since Estoril 2016. First time he reaches a clay semifinal outside Portugal! First time Kyrgios reaches a clay semifinal outside Portugal! Kyrgios face Reilly Opelka who earlier defeated qualifier Gijs Brouwer 🇳🇱 6-3, 7-5.