Men's first-round action continued at the Internazionali BNL d'Italia, while the women kicked off their campaigns.

These are the Top 5 photos from Monday in Rome. (All photos Getty)

1

Novak Djokovic and Andy Murray

The former champions put in a fun-filled practice session. Djokovic will begin his title defense against Taylor Fritz on Tuesday.

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Top 5 Photos, 5/10: 
Djokovic and Murray 
practice together

Top 5 Photos, 5/10: Djokovic and Murray practice together

2

Coco Gauff

The American teen fended off Yulia Putintseva, 7-5, 4-6, 6-4. For a spot in the round of 16, Gauff will need to get past a tough customer in Maria Sakkari, who rallied past Polona Hercog, 7-6 (6), 3-6, 6-2.

Top 5 Photos, 5/10: 
Djokovic and Murray 
practice together

Top 5 Photos, 5/10: Djokovic and Murray practice together

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3

Jannik Sinner

The 19-year-old Italian ousted Ugo Humbert, 6-2, 6-4, to set up a blockbuster second round with nine-time event champion Rafael Nadal. The Spaniard leads their head-to-head series, 1-0.

Top 5 Photos, 5/10: 
Djokovic and Murray 
practice together

Top 5 Photos, 5/10: Djokovic and Murray practice together

4

Jennifer Brady

The American rolled into the second round after a 6-1, 6-4 win over Zhang Shuai. Brady will play Ekaterina Alexandrova next.

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Top 5 Photos, 5/10: 
Djokovic and Murray 
practice together

Top 5 Photos, 5/10: Djokovic and Murray practice together

5

Petra Kvitova

The No. 11 seed served her way out of trouble, rallying past Magda Linette, 1-6, 6-0, 6-2. Next up for Kvitova is fellow veteran Vera Zvonareva, who defeated Christina McHale, 6-3, 6-0.

Top 5 Photos, 5/10: 
Djokovic and Murray 
practice together

Top 5 Photos, 5/10: Djokovic and Murray practice together