I played my first NTRP tournament last weekend. All in all, I had a great experience, and took my first 4.0 match easily. My second was much, much tougher, and I lost it, though it was a serious fight. My opponent was a serious baseline grinder who usually goes deep in 4.0 tournaments, but I started off pretty strong, moving him around, and I went up 2-0. He eventually figured out that he could throw me off by slicing short and pushing me back, and he gave me very little pace. He was a classic retriever, chopping back balls I really thought would be winners, with a maddening ability to place them within a couple of feet of the baseline. I tried closing the net, but he had the ability to come up with a pass, and my net game needs work, so I was only winning about 40% of the points. Eventually, I decided to stay back and make him run a lot. It kind of worked - probably would have been more successful if I'd been a bit more aggressive, because I did degenerate into pushing here and there once I realized he wasn't going to be hitting any winners against me. We battled for an hour or so, but eventually I was broken at 4-5 to lose the first set. Ok, so here's the part where I think I got played... he told me (at the start of the match) that he has a medical issue that would require frequent bathroom breaks during the match. I said cool, no prob (I'm a newbie at tournamentse). He took off after the first set and I waited... and waited... and waited. My brother, who was watching, went down to the bathrooms and discovered that he was having a cool down. He was stretching, loosening up, rubbing cool water on his face and hair. I didn't know this until later - all this while, I was on the court in 75 degree heat, with no shade to sit down. All in all, I'd say he was away for 15-20 min. He returned to the court, and we continued our long battle. The second set went over an hour, with many long rallies requiring substantial court coverage (for both of us), bringing total match time to well over two hours. Once again, I lost it serving at 4-5. His match, 6-4, 6-4. All in all, I'd attribute my loss to my lack of a good net game and my failure to stay aggressive on the groundies (nothing wrong with moving him around with high percentage play, but I could have made him work harder with more pace and deeper shots). A good net game would most likely have turned this completely in my favor, so I know what to work on. That said, in a serious test of fitness (which was part of my strategy), his 20 minute cool down must have worked to his advantage at least somewhat. What do you think? How would you recommend I handle the bathroom issue if I play this dude again?