As the title says, do you think Rafael Nadal would have retired in the semi-final of the US Open 2018 against Juan Martin Del Potro if he had won the highly competitive first set. In this set, Rafael Nadal played at an incredibly high level. Breaking right back after the opening game, and then...

Dav h2h vs Rafa 6-1 (6 HC wins in a row) Del h2h vs Rafa 5-4 (Potro prevails over Nadal on the fast HARD 3-0 (Rogers-Shanghai-US Open) Nadal leads on the slow HARD 4-2 (IW-Miami-Rio)) Dav h2h Del 3-3