On the WTA Tour, Polona Hercog is currently ranked world No. 315 and represents Slovenia. She plays right-handed. Her best ranking to date is No. 35. Her professional career started in 2006.
Polona Hercog played a shortened 2025 season (17 matches). She competed in just 17 matches during the season. She captured one title at Quito 125. Season record: 10-7. Record on clay in lower tier: 7-5. She won 56% serve pressure points, saved 57% of break points, and converted 51% of break opportunities.
Hercog built ranking on the Challenger tour in 2024. She reached two finals at W35 Antalya and W50 Antalya. Record: 21-12. Challenger/ITF clay record: 19-8. She won 50% on second serve, averaged 0.35 double faults per game, and saved 41% of break points.
The Slovenian developed through Futures tournaments in 2023. She captured one title at W25 Vrnjacka Banja. Additional semifinals at W60 Vienna and W40 Pazardzhik. Season record: 25-13. Challenger/ITF results on clay: 25-13. She converted 45% of break opportunities, saved 59% of break points, and won 65% on first serve.
Polona Hercog accumulated points at Challenger events in 2022. She reached the quarterfinal at W60 Bellinzona. Record: 3-5. She won 43% on second serve, won 57% on first serve, and converted 38% of break opportunities.
2021 proved challenging for Hercog. Hard results: 2-8. At lower-tier events, she reached the semifinal at W60 Oeiras. At lower-tier events: 8-5. Challenger/ITF hard record: 5-5. She won 35% on first serve return, saved 55% of break points, and won 75% on first serve.
The Slovenian's 2020 season featured a quarterfinal at Istanbul. Competing on clay: 5-6. She recorded a win over a top-10 opponent. She executed at 51% on break chances, neutralized opponents winning 41% on first serve return, and showed resilience saving 60% breakpoints when threatened.
Polona Hercog won the title at Lugano in 2019. She dominated on clay with a 8-4 record. Hard proved challenging: 6-14. She collected 2 wins against top-20 opponents. Hercog rarely gave away free points at second serve with 49% success, commanded 66% of points on first serve, and maintained decent 57% breakpoints save rate.
2018 proved challenging for Polona Hercog. Competing on clay: 10-7. On hard, results were modest at 4-10. She saved as much as 61% of breakpoints faced, maintained pressure winning 47% on second serve delivery, and competed well winning 37% on first serve return.
2017 proved to be a breakthrough season for Hercog. She won four titles at Brescia $60K, Saint Malo $60K, Balatonboglar $25K, and Santa Margherita Di Pula $25K. Season record: 41-10. Challenger/ITF results on clay: 39-7.
Polona Hercog advanced to the final at Bol and one quarterfinal during 2016. Competing on clay: 9-7. She showed mental strength converting 53% of breakpoints, challenged servers with 39% on first return, and limited double faults to 0.35 per game.
Polona Hercog reached a semifinal at Bucharest, making a quarterfinal at Bad Gastein in 2015. Clay results: 8-6. On hard, results were modest at 10-15. She rarely erred with just 0.33 double faults per game, executed at 49% on break chances, and backed the serve up well with 52% on second attempts.
Hercog's 2014 season featured quarterfinals at Oeiras, Bucharest, and Marrakech. Competing on clay: 8-6. She saved as much as 58% of breakpoints faced, maintained pressure winning 47% on second serve delivery, and maintained 64% success rate on first serve.
The Slovenian rediscovered her best tennis in 2013. Hard results: 4-7. She collected 3 wins against top-20 opponents. She maintained pressure winning 49% on second serve delivery, put immediate pressure winning 39% against first serves, and defended brilliantly at 60% break points saved. At lower-tier events, she won two titles at Maribor 25K and Olomouc 100K. Lower-tier record: 13-1. Record on clay in lower tier: 13-1.
Polona Hercog won the title at Bastad and one semifinal in 2012. The season proved challenging overall. On clay: a strong 10-5. On hard, results were modest at 1-9. She collected 2 wins against top-20 opponents. Hercog executed at 50% on break chances and backed the serve up well with 48% on second attempts.
Hercog won the title at Bastad, also reaching the final at Palermo plus two semifinals in 2011. She dominated on clay with a 16-8 record. Hercog struggled on hard: 8-11. She rarely gave away free points at second serve with 48% success, executed at 47% on break chances, and managed 37% success during first serve return.
The Slovenian advanced to the final at Acapulco, advancing to a semifinal at Portoroz and four quarterfinals during 2010. She reached the top 50 for the first time. Competing on clay: 12-9. On hard: 9-10. She maintained pressure winning 48% on second serve delivery, won a strong 64% behind the first serve, and competed well winning 38% on first serve return.
Polona Hercog reached a quarterfinal at Fes in 2009. She entered the top 100 for the first time. At lower-tier events, she won two titles at Cuneo 100K and Civitavecchia 25K. At lower-tier events: 17-5. Challenger/ITF clay record: 16-3.
Polona Hercog developed through Futures tournaments in 2008. She reached the final at Civitavecchia 25K. Record: 7-4. Challenger/ITF results on clay: 7-3.
Polona Hercog gained ranking points at Futures level in 2007. She captured one title at Maribor 25K. Season record: 8-4.