11 am - Play is getting underway on Super Saturday at the U.S. Men's Clay Court Championship. 
Two second round matches are resuming in progress while a third will get started. On Stadium Court, Gijs Brouwer will be serving as he leads John Isner 6-4 5-6. On Court 3, JJ Wolf and Denis Kudla are resuming at 4-all in the first set. On Court 7, Daniel Elahi Galan and Jason Kubler will be starting their match. 
11:17 am - Brouwer held his serve and won the tie break against Isner in the second set 7-6(4). Brouwer is the first player in the quarterfinals, and will play the winner of the Wolf and Kudla match. In that match, Wolf has taken the first set 6-4. 
11:35 am - Frances Tiafoe and Steve Johnson are warming up on Stadium Court. 
11:50 am - Wolf won eight of the nine games once play resumed to defeat Kudla in two sets 6-4 6-1. Wolf faces Brouwer in the quarterfinals later today. 
11:55 am - Kubler takes first set against Galan 6-4. 

12 pm - Former US Clay champion Cristian Garin and Lucky Loser Zizou Bergs have arrived on court. 
12:15 pm - Tiafoe takes the first set with his sixth ace 6-2 in 37 minutes. 
12:30 pm - Kubler wins the match in two sets 6-4 6-2. He will play the winner of the Tiafoe and Johnson match in the quarterfinals later today. 
12:40 pm - Tomas Martin Etcheverry and Max Purcell have arrived on Court 7. 
12:52 pm. - Tiafoe defeats Johsnon 6-2 6-4. He will face Kubler in quarterfinals later today. 

1:05 pm - Garin wins the first set 7-6(4) against Bergs. 
1:07 pm - Tommy Paul and Yannick Hanfmann are warming up on Stadium Court. 

2:02 pm - Etcheverry takes the first set 7-6(5).
2:13 pm - Garin wins the match against Bergs 7-6(4) 7-6(1). He will face the winner of Etcheverry and Purcell in the quarterfinals later today. 
2:18 pm - Hanfmann takes the first set against Paul 7-6(6).
2:23 pm - Marcos Giron and Tomas Machac have arrived on court. 
2:37 pm - Etcheverry closes out the match against Purcell 7-6(5) 6-1. He will next face Cristian Garin in the quarterfinals. 

3:12 pm - Hanfmann wins the match in two sets 7-6(4) 6-2 against Paul. In the quarterfinals, he will face either Giron or Machac, which is the last singles second round match we have today. 
3:20 pm - Machac takes the first set 6-4 against Giron. 
3:38 pm - The first quarterfinals match is about to begin with Tiafoe and Kubler on Stadium Court. Click this link to follow the final eight action. 

4:16 pm - Machac defeats Giron in two sets 6-4 6-4. He will face Hanfmann in the quarterfinals later today. This concludes the singles second round. 

Check this page for updates or click here to follow the live scoring or watch Stadium Court live on the ESPN App.