Buster C. Mottram of Great Britain is a former right-handed player who competed on the ATP tour from 1970 to 1983. He won 2 tour-level singles titles, from a career match record of 299–180 (62.4%). His strongest surface by win rate was clay, where he went 160–81 (66%). His best three-year stretch came in 1977–1979, and he reached a peak Elo rating of 2121. His most frequent opponent was Guillermo Vilas, whom he faced 16 times with a record of 2–14.
Titles include Slams, Masters, Tour Finals, 500s, 250s, legacy tour events and Olympic gold; Davis Cup is excluded, and walkovers are excluded from all win–loss records. GOAT points value every round reached, scaled per tier (Slam title 2000 anchor; ranking includes Slam champions only, but every player's points are shown here). Elo is a chess-style rating over the full match history (K = 250/(n+5)^0.4); the timeline shows pre-match ratings, sampled. The gold band on the season chart marks the best three-consecutive-year window.