Defending champion David Wagner won the quad singles wheelchair tennis title at the 2011 US Open when

Peter Norfolk Peter Robert Norfolk OBE (born 13 December 1960) is a British wheelchair tennis player. Following a motorbike accident which left him paraplegic, he uses a wheelchair. He took up tennis and following a further spinal complication in 2000, he ...

retired from the final, with the score at 7–5, 3–1.

Draw

Final

Round robin

''Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.''

References

Singles Draw
{{DEFAULTSORT:2011 US Open - Wheelchair Quad Singles Wheelchair Quad Singles 2011 Quad Singles