Darderi L / Etcheverry T M — Cash J / Glasspool L

Harrison C / Skupski N — Arneodo R / Gonzalez S

Arribage T / Olivetti A — Borges N / Doumbia S

Khachanov K / Rublev A — Miedler L / Oberleitner N

Zhang Z / Zhou Y — Frantzen C / Haase R

Bolelli S / Vavassori A — Krajicek A / Mektic N

Nouza P / Venus M — Nys H / Roger-Vasselin E

Cerundolo F / Tirante T A — Schnaitter J / Wallner M

Polmans M / Zielinski J — Jiang Fumin / Zhang Tianhui

Buse I / Vallejo A D — Andreozzi G / Guinard M

Pel D / Tabilo A — Galloway R / Goransson A

Luz O / Matos R — Cabral F / Tracy J

Arends S / Johnson L — Melo M / Zverev A

Pavlasek A / Rikl P — Arevalo M / Pavic M