The Greek star has high praise for the young Italian after their first meeting in Lyon.
The Swiss is not quite ready for prime time on the clay this spring.
World TeamTennis gets back to the Garden in November.
The fourth season of Laver Cup will operated at full capacity in Boston.
The Greek keeps putting up wins, but he's not satisfied as Roland-Garros looms.
The Austrian admits he's not where he was in 2018 and 2019, but he hopes he can play himself into form at Roland-Garros.
The 2015 Roland Garros champion continues recovery from foot surgery.