![MELBOURNE, AUSTRALIA - JANUARY 15: Malek Jaziri of Tunisia plays a backhand in his first round match against Salvatore Caruso of Italy on day one of the 2018 Australian Open at Melbourne Park on January 15, 2018 in Melbourne, Australia. (Photo by Pat Scala/Getty Images)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/UF65TW6A5PLVEXQXV5EFXET5GQ.jpg?smart=true&auth=4f276cc97b78df4ad1646101b803dd053b6b10068e210acebdcbd5aff7c6ab24&width=400&height=225)
Malek Jaziri has regularly featured at the Dubai Duty Free Tennis Championships. Pat Scala / Getty Images
Malek Jaziri has regularly featured at the Dubai Duty Free Tennis Championships. Pat Scala / Getty Images
Malek Jaziri undaunted by prospect of meeting Grigor Dimitrov in Dubai Duty Free Tennis Championships opener
Tunisian wild card, who has previously faced Roger Federer, Novak Djokovic and Andy Murray in tournament, is 'used to playing top seeds'