Australia on the ropes as Alex de Minaur stunned by brave Belgian Collignon

• World No 8 suffers shock 7-5 3-6 6-3 loss to Raphael Collignon in Sydney

• Belgium take 1-0 lead over Australia in Davis Cup second-round tie

Tennis officials have been branded “barbaric” as Alex de Minaur suffered a shock loss in a dramatic start to Australia’s second-round Davis Cup qualifying tie in Sydney.

Lowly ranked Raphael Collignon overcame severe cramping to upset De Minaur 7-5 3-6 6-3 in a three-hour, 12-minute epic at Ken Rosewall Arena on Saturday.

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