The start of Nick Kyrgios' clay-court season will have to wait.
The 15th-ranked Australian announced he has withdrawn from next week's Monte-Carlo Rolex Masters.
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Kyrgios scored a pair of singles wins, including the clinching victory over Sam Querrey, leading Australia past the United States in last weekend's Davis Cup quarterfinals in Brisbane.
The Miami Open semifinalist is aiming to launch his clay-court season on May 1st in Estoril.
The 2015 Estoril finalist has posted a 16-4 record this season, including successive wins over world No. 2 Novak Djokovic in Acapulco and Indian Wells.
Photo credit: Matt Hazlett/BNP Paribas Open