| ILIENASTASE | Romanian tennis player who was World Number 1 between August 1973 and June 1974 |
| LAVER | Australian tennis great who was world number one for seven consecutive years, Rod ... |
| ELENA | Late Kiev-born tennis player, who was often British No. 1 between 2002 and 2012 (5,8) |
| BALTACHA | Late Kiev-born tennis player, who was often British No. 1 between 2002 and 2012 (5,8) |
| TUNNEL | Man putting "1-1" between Liverpool and Leicester originally (6) |
| NASTASE | Ilie ___ , Romanian tennis player who won the US Open in 1972 and the French Open in 1973 (7) |
| SIMONA | ___ Halep Romanian tennis player who won the Ladies' Singles in 2019 Wimbledon Championships defeating Serena Williams |
| MARTINAHINGIS | Swiss tennis player who was the youngest ever Grand Slam champion and youngest ever world number one |
| COCHET | Henri ___, former world number one tennis player who was one of the "Four Musketeers" of French tennis |
| CONNORS | US tennis player who was world No.1 from 1974-77 and in the top 10 for 16 years (7) |
| HEWITT | Australian tennis player who was world No. 1 and won the US Open in 2001, and won Wimbledon in 2002 (6) |
| AGASSI | Retired tennis player who was once World Number One, Andre _ (6) |
| ANDRE | Retired tennis player who was once World Number One, _ Agassi (5) |
| STEFFI | Nickname of the tennis player who was world No.1 from 1987-1999 (6) |
| RIOS | Marcelo ___, Chilean tennis player who held the World number one ranking for six weeks in 1998 |
| ANDY | Mr Murray, tennis player who is a former World number one (4) |
| HIGGINS | Alex ---, Northern Irish snooker player who was World Champion in 1972 and 1982 (7) |
| BARNA | Viktor, Hungarian table tennis player who was world singles champion 1932-35 (5) |
| HALEP | Romanian tennis player; 2014 French Open women's singles championship runner-up (6,5) |
| PAVEL | Romanian tennis player; 2001 Canada Masters singles tournament winner (5) |
