A folkstyle tournament — a long day, several matches, a lot of waiting between them, and everything on the line each time out. The goal is to keep him fueled, ready, and mentally steady from the first match through the finals, and to keep one bad match from wrecking the day.
The night before & morning of
Singlet, headgear, shoes, and water packed the night before, plus real snacks for the long day — tournaments are mostly waiting. A real breakfast that sits right (nothing heavy), and if he's near a weight class, handle the weigh-in the way your coach has set up, calmly. Get there early enough to not feel rushed.
Warm-up (before he wrestles)
He can't sit cold all day and then wrestle — get him moving before each match: stance and motion, a light sweat, a few setup-and-shot reps and a stand-up so his offense and his escape are already awake. One focus going in: set up every shot, keep attacking.
This is the hard part of a wrestling tournament — long gaps, cold muscles, nerves. Keep him fueled with small snacks and water, keep him loose (a light re-warmup before each match), and keep him off the emotional roller coaster. Don't rehash the last match; win or lose, one sentence and move on. When he's tired late in the day, the two things that go first are his setups (he starts shooting cold) and his composure (he gets frustrated), so the reminder is simple: set it up, keep attacking.
His pattern is that when he's tired or behind, he gets frustrated and stops wrestling — starts surviving instead of attacking. If you see him deflate, the message from the stands is calm, not corrective: he already knows. What he needs is to remember he can score from any position and to keep attacking to the whistle. And after a loss — wrestling is a sport of them, even for great kids — the job is to reset for the next match, not carry it.
You're not his coach today, you're his corner off the mat — his calm and his fuel. Cheer the effort and the little things — the setup that worked, the stand-up, the fact that he kept attacking when he was gassed. Don't coach from the stands; his coach has the corner. He wrestles freer when he knows you're there to watch him compete, not grading every takedown.
Let him lead. If he wants to go match by match, go with it. If he's quiet, let it be quiet. Whatever the day was, the one line that always works: "I loved watching you compete today." Leave it there.