| 100% | LLEYTONHEWITT | 13 | Australian tennis player who became the youngest man to be ranked #1, at 20, in 2001: 2 wds. |
| 81% | CARLOSALCARAZ | 13 | Spanish tennis player who became the youngest man to be ranked #1, at 19, in 2022: 2 wds. |
| 76% | MARAT | 5 | With 31-Across, Russian tennis player who became the youngest man to be ranked #1, at 20, in 2000 |
| 75% | LLEYTONHEWITT | 13 | Australian tennis player who, at 20, was the youngest man to be ranked #1 in singles: 2 wds. |
| 49% | MARGARETCOURT | 13 | Australian tennis player who was the first woman to win the Grand Slam in the Open Era: 2 wds. |
| 49% | CASPERRUUD | 10 | Norwegian tennis player who was runner-up to 32-Across in the men's singles championship at the 2022 US Open (2 wds.) |
| 48% | JENNIFERBRADY | 13 | American tennis player who was the runner-up to 43-Across in the Women's Singles finals at the Australian Open in 2021 (2 wds.) |
| 45% | SOFIAKENIN | 10 | Russian-American tennis player who was the Women's Singles champion at the Australian Open in 2020 (2 wds.) |
| 44% | NAOMIOSAKA | 10 | Japanese-American tennis player who was the Women's Singles champion at the Australian Open in 2019 and 2021 (2 wds.) |
| 44% | STEFFIGRAF | 10 | Tennis player who is the only player (man or woman) to win a Grand Slam and Olympic gold medal in one year: 2 wds. |
| 44% | PETESAMPRAS | 11 | Tennis great who is the youngest player to win the US Open Men's Singles championship (2 wds.) |
| 43% | ASHBARTY | 8 | Australian tennis player who won the women's singles title at the Australian Open in 2022 (2 wds.) |
| 42% | MIKETYSON | 9 | American former boxer who became the youngest heavyweight champion in history in 1986 at the age of 20 years and 4 months: 2 wds. |
| 42% | PETESAMPRAS | 11 | Youngest man in tennis's Open Era to win the US Open, at 19 years, 28 days (1990): 2 wds. |
| 41% | ASHLEIGHBARTY | 13 | Australian tennis player who won the Australian Open in 2022: 2 wds. |
| 41% | VENUSWILLIAMS | 13 | First African-American tennis player to be ranked #1 in women's singles during the Open Era: 2 wds. |
| 41% | ASHLEIGHBARTY | 13 | #1 tennis player who retired in 2022 at the age of 25: 2 wds. |
| 40% | CARLOSALCARAZ | 13 | Spanish tennis player who won the men's singles championship at the 44-Across in 2024 (2 wds.) |
| 40% | ANDYMURRAY | 10 | British tennis player who won the men's singles title at Wimbledon in 2013 and 2016 (2 wds.) |
| 40% | ASHLEIGHBARTY | 13 | Australian tennis player who won WTA Player of the Year in 2019 and 2021: 2 wds. |
| 40% | STANWAWRINKA | 12 | Swiss tennis player who won the Australian Open Men's Singles championship in 2014 (2 wds.) |
| 40% | RODLAVER | 8 | Retired Australian tennis pro with a record 200 singles titles, who was the third player to achieve the Career Grand Slam: 2 wds. |
| 39% | NAOMIOSAKA | 10 | Japanese tennis player who won the Australian Open in 2021: 2 wds. |
| 39% | SOFIAKENIN | 10 | American tennis player who won the Australian Open in 2020: 2 wds. |
| 39% | ANA | 3 | Tennis player Ivanovic who was ranked No. 1 in the world in 2008 |
| 39% | ROGERFEDERER | 12 | Swiss tennis player who won the Australian Open Men's Singles championship in 2004, 2006, 2007, 2010, 2017, and 2018 (2 wds.) |
| 39% | SOFIAKENIN | 10 | American tennis player who won her first major title at the 2020 Australian Open: 2 wds. |
| 38% | ANDYRODDICK | 11 | Tennis great who is the last American player to win the US Open Men's Singles championship (2 wds.) |
| 38% | SERENAWILLIAMS | 14 | Tennis player who has won an Open Era record six women's singles titles at the Australian Open: 2 wds. |
| 38% | RAFAELNADAL | 11 | Spanish tennis player who won the Men's Singles at the 2017 US Open: 2 wds. |