Deon Joubert has found the Tour difficult, recording 40–75 across 115 matches (34.8%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward. Deon Joubert has reached 1 final without yet claiming a title — one of the finest margins in tennis.
At Grand Slam level (Australian Open, Roland Garros, Wimbledon, US Open): Deon Joubert has struggled at Grand Slam level: 2–5 (28.6%) in 7 matches. The best-of-five format and elite fields make this the toughest benchmark on Tour.
One final reached, without converting it into a title. That final-round experience is valuable groundwork for going one step further next time. 2 semifinals. 7 quarterfinals.
vs. Top 10: 0–11 (0.0%, 11 matches). Top 10 opponents have represented a clear ceiling; addressing that deficit is the single biggest lever for improving the overall record.
By format — best-of-five: 4–6 (40.0%); best-of-three: 36–69 (34.3%). Slightly better in five-set matches — a positive sign for Grand Slam campaigns specifically.
Best season: 1979 — 12–21 (36.4%) from 33 matches. The best single-season display to date — a useful reference point as the career continues to develop.
