The U.S. Pro Tennis Championships were played each year from 1927 to 1999 (except 1944). Up to 1967, before the start of the "Open Era", this tournament was regarded as part of the professional grand slam. In 1963 the tournament failed financially but was revived in Boston without a break.
After World War II Bobby Riggs, Pancho Segura and Pancho Gonzales won the Championships multiple times. Into the 1960s, the most frequent winners were Rod Laver and Ken Rosewall.
Round robin | W–L | Pancho Segura | Pancho Gonzales | Bobby Riggs | Welby Van Horn | Frank Parker | Jack Kramer | |
---|---|---|---|---|---|---|---|---|
1. | Pancho Segura | 4–0 | 6–3, 6–4, 6–2 | 6–0, 8–6, 6–1 | 6–1, 6–2, 6–4 | 6–2, 6–2, 6–0 | ||
2. | 3–1 | 3–6, 4–6, 2–6 | 6–3, 4–6, 6–2, 6–3 | 6–3, 8–6, 6–0 | 4–6, 6–1, 7–5, 6–2 | |||
3. | 2–2 | 0–6, 6–8, 1–6 | 3–6, 6–4, 2–6, 3–6 | 6–3, 8–10, 4–6, 6–4, 6–4 | 6–3, 17–15, 6–2 | |||
4. | 1–3 | 1–6, 2–6, 4–6 | 3–6, 6–8, 0–6 | 3–6, 10–8, 6–4, 4–6, 4–6 | 3–6, 6–3, 3–6, 10–8, 6–2 | |||
5. | 0–5 | 2–6, 2–6, 0–6 | 6–4, 1–6, 5–7, 2–6 | 3–6, 15–17, 2–6 | 6–3, 3–6, 6–3, 8–10, 2–6 | 6–4, 0–6, 6–4, 0–6, 3–6 | ||
6. | Jack Kramer1 | 1–0 | 4–6, 6–0, 4–6, 6–0, 6–3 | |||||