Tony and Bryson DeChambeau's best round is 50 (−22) at Maridoe Golf Club in S01E08 — 1 shot shy of breaking 50 across 1 appearance. Best finish: #2 (tied) among duo rounds.
Tony Romo's round at Maridoe was bookended by eagles — Bryson chipped in from 30 yards at the very first hole and eagled the last. In between the pair went bogey-free with a dozen birdies, but by the final tee only an ace would have broken 50; the closing eagle sealed 50 (−22), tied for the second-best duo round in series history.
Breaking 50 came down to the final hole at Maridoe Golf Club — a hole-in-one was the ask. The hole-out eagle they made closed the card at 50.
Tony's best duo round (S01E08) against every other guest's best duo round. Tick = field average.