Based on previous performances, Müller has not been successful at home in Roland Garros, while Nardi has beaten him twice already. Nardi appears to be more confident on clay and is likely to defeat Müller again. It is also worth considering that Müller overperformed in Rome, while showing inconsistent results at Roland Garros. Additionally, Nardi has been able to beat a French player, indicating his good form. Therefore, it is more likely that Nardi will emerge victorious against Müller in this match.