Sandra Zaniewska, coach of Petra Martic, fields questions at a media... News Photo - Getty Images
Petra Martic earns tour-leading 15th clay win this season to make Roland Garros quarterfinals | Women's Tennis Blog
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I came out of my comfort zone' - Cornet upsets No.2 seed Martic to reach Auckland quarterfinals
Edgbaston Priory Club, Birmingham, UK. 21st June, 2019. WTA Nature Valley Classic tennis tournament; Jelena Ostapenko (LAT) shows her joy with a signal to her coach in her quarterfinal match against Petra
Top coaches under 30 rocking WTA tour - Roland-Garros - The 2020 Roland-Garros Tournament official site