Trio will play for Captain John McEnroe as Team World aims to defend Laver Cup.
"There's no difference between the French or Rome," Rome champion Daniil Medvedev said.
MSG Networks continues its live coverage from Monte-Carlo Wednesday and Thursday from 8 a.m. to noon.
"I'm not scared of anything and anybody," said world No. 1 of his rematch vs. Lorenzo Musetti.
The Spaniard has been suspended for 15 years after admitting to 35 breaches of the Tennis Anti-Corruption Program.
Red-hot Danielle rankings is in the Top 15, and Iga Swiatek is celebrating another rankings milestone.
A right forearm issue has knocked Wimbledon champion out of Monte-Carlo.
