| Jun Kuki | |
| Birth Date: | 28 December 1945 |
| Birth Place: | Yokkaichi, Japan |
| Plays: | Right-handed |
| Singlesrecord: | 67–115 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 74 (7 November 1976) |
| Australianopenresult: | 2R (1972) |
| Frenchopenresult: | 3R (1971) |
| Wimbledonresult: | 2R (1973) |
| Usopenresult: | 2R (1971) |
| Doublesrecord: | 14–69 |
| Doublestitles: | 0 |
| Australianopendoublesresult: | 2R (1972) |
| Frenchopendoublesresult: | 2R (1970, 1971) |
| Wimbledondoublesresult: | 2R (1975) |
| Usopendoublesresult: | 1R (1970, 1971, 1972) |
is a former professional tennis player from Japan.
Kuki, a right-hander, played collegiate tennis in the United States for UCLA. He had an unbeaten season in 1969, with a 13–0 record.[1]
He was first picked for the Japan Davis Cup team in the 1971 tournament.[2]
His best performance in a Grand Slam tournament came at the 1971 French Open when he had wins over Phil Dent and Petre Mărmureanu, before losing a five-set third round match to Bob Lutz.[3]
In April 1976 he had the most prolific period of his career when he finished runner-up in a further two Grand Prix tournaments, both in Spain. He lost to Paolo Bertolucci in the final at Barcelona, then to Buster Mottram in Palma, Majorca.[4] [5]
A regular Davis Cup competitor for Japan in the 1970s, Kuki played the last of his nine ties for the Japanese team in 1978. He played a total of 17 singles matches, of which he won 11.
In the 1980s he was coach of Etsuko Inoue, a player on the women's circuit.[6]
| Result | No. | Year | Tournament | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|---|
| Loss | 1. | 1976 | Barcelona, Spain | Clay |  Paolo Bertolucci | 1–6, 6–3, 1–6, 6–7 | |
| Loss | 2. | 1976 | Palma, Majorca, Spain | Clay |  Buster Mottram | 5–7, 3–6, 3–6 |