| Singles | |
|---|---|
| 1968 U.S. Professional Indoor | |
| Champion |  Manuel Santana |
| Runner-up |  Jan Leschly |
| Score | 8–6, 6–3 |
| Draw | 12 |
| Seeds | 4 |
The event was being held for the first time during the open-era.
Manuel Santana won the title, beating Jan Leschly 8–6, 6–3 in the final.
Charlie Pasarell (semifinals) Manuel Santana (champion) Arthur Ashe (semifinals) Jan Leschly (final)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | Charlie Pasarell | 4 | 16 | 6 | |||||||||||||||||||||||
| Manuel Orantes |  Thomaz Koch | 6 | 14 | 2 | |||||||||||||||||||||||
| Thomaz Koch | w/o | 1 | Charlie Pasarell | 2 | 5 | ||||||||||||||||||||||
| Cliff Richey | 7 | 7 | 6 | 4 | Jan Leschly | 6 | 7 | ||||||||||||||||||||
 Rafael Osuna | 9 | 5 | 4 | Cliff Richey | 3 | 4 | |||||||||||||||||||||
| 4 | Jan Leschly | 6 | 6 | ||||||||||||||||||||||||
| 4 | Jan Leschly | 6 | 3 | ||||||||||||||||||||||||
| 2 | Manuel Santana | 8 | 6 | ||||||||||||||||||||||||
 Tom Okker | 5 | 9 | |||||||||||||||||||||||||
| 3 | Arthur Ashe | 6 | 6 | 3 | Arthur Ashe | 7 | 11 | ||||||||||||||||||||
| Q | Dick Stockton | 2 | 2 | 3 | Arthur Ashe | 1 | 3 | ||||||||||||||||||||
| Jeff Borowiak | 7 | 4 | 2 | Manuel Santana | 6 | 6 | |||||||||||||||||||||
| Torben Ulrich | 9 | 6 | Torben Ulrich | 1 | 6 | 3 | |||||||||||||||||||||
| 2 | Manuel Santana | 6 | 3 | 6 | |||||||||||||||||||||||
Jimmy Connors defeated Ken Rosewall in the final, 6–1, 6–1, 6–4 to win the gentlemen's singles tennis title at the 1974 Wimbledon Championships.
Stan Smith defeated Ilie Năstase in the final, 4–6, 6–3, 6–3, 4–6, 7–5 to win the gentlemen's singles tennis title at the 1972 Wimbledon Championships. It was his only Wimbledon singles title, and his second and final major singles title. Due to rain washing out the final Saturday when the men's singles final between Smith and Nastase was due to take place, the final became the first match in Wimbledon history to take place on a Sunday. Not until 10 years later in 1982 did Wimbledon men's singles finals start being deliberately scheduled to take place on a Sunday.
Andrés Gimeno defeated Patrick Proisy in the final, 4–6, 6–3, 6–1, 6–1 to win the men's singles tennis title at the 1972 French Open. This was his first and only major title and, at the age of 34, he became the oldest first-time major champion in the Open Era.
Ken Rosewall defeated Rod Laver in the final, 6–3, 6–1, 2–6, 6–2 to win the men's singles tennis title at the 1968 French Open. It was Rosewall's second French title, and his fifth Grand Slam tournament title overall. The tournament was the first major of the Open Era, in which professionals were allowed to compete against amateurs. Rosewall and Laver, who had not appeared in a Grand Slam major since 1956 and 1962 respectively, were among those no longer barred from entering.
Rod Laver defeated Tony Roche in the final, 6–3, 6–4, 6–2 to win the gentlemen's singles tennis title at the 1968 Wimbledon Championships. It was the first edition of Wimbledon open to professional tennis players, a period in tennis history known as the Open Era.
Jan Kodeš defeated Alex Metreveli in the final, 6–1, 9–8(7–5), 6–3 to win the gentlemen's singles tennis title at the 1973 Wimbledon Championships. The final included a tie-break played at 8–8 in the second set; it was the first ever Wimbledon singles final to include a tie-break.
Rod Laver defeated Chuck McKinley in the final, 6–3, 6–1, 6–4 to win the gentlemen's singles tennis title at the 1961 Wimbledon Championships. Neale Fraser was the defending champion, but lost in the fourth round to Bobby Wilson.
Rod Laver successfully defended his title, defeating Martin Mulligan in the final, 6–2, 6–2, 6–1 to win the gentlemen's singles tennis title at the 1962 Wimbledon Championships.
Chuck McKinley defeated Fred Stolle 9–7, 6–1, 6–4 in the final to win the gentlemen's singles tennis title at the 1963 Wimbledon Championships. Rod Laver was the defending champion, but was ineligible to compete after turning professional.
Roy Emerson defeated Fred Stolle 6–4, 12–10, 4–6, 6–3 in the final to win the gentlemen's singles tennis title at the 1964 Wimbledon Championships. Chuck McKinley was the defending champion, but lost in the semifinals to Stolle.
Manuel Santana defeated Dennis Ralston in the final, 6–4, 11–9, 6–4 to win the gentlemen's singles tennis title at the 1966 Wimbledon Championships. Roy Emerson was the defending champion, but lost in the quarterfinals to Owen Davidson.
John Newcombe defeated Wilhelm Bungert in the final, 6–3, 6–1, 6–1 to win the gentlemen's singles tennis title at the 1967 Wimbledon Championships. Manuel Santana was the defending champion, but lost in the first round to Charlie Pasarell.
Wojtek Fibak and Jan Kodeš were the defending champions, but Fibak did not participate this year. Kodeš partnered Jiří Hřebec, losing in the semifinals.
Antonio Muñoz and Manuel Orantes were the defending champions, but did not participate this year.
Manuel Santana was the defending champion, but did not participate this year.
Bernd Karbacher and Andrei Olhovskiy were the defending champions, but Olhovskiy did not participate this year. Karbacher partnered Alex Antonitsch, losing in the semifinals.
Bob Hewitt and Fred Stolle were the defending champions, but lost in the third round to Michael Hann and Roger Taylor.
Arthur Ashe and Marty Riessen were the defending champions but none could compete this year, as both players were banned for the Grand Prix tournaments during the dispute between the ILTF and the WCT.
Brian Gottfried and Raúl Ramírez were the defending champions but lost in the semifinals to Gene Mayer and Hank Pfister.
Ken Rosewall and Fred Stolle were the defending champions but lost in the quarterfinals to Ilie Năstase and Ion Ţiriac.