Australia's Alexei Popyrin returns the ball against Spain's Pedro Martinez during the group stage men's singles match between Australia and Spain of the Davis Cup tennis tournament at Fuente San Luis Sports Hall in Valencia on September 15, 2024. (Photo by JOSE JORDAN / AFP) (Photo by JOSE JORDAN/AFP via Getty Images)

Australia's Alexei Popyrin returns the ball against Spain's Pedro Martinez during the group stage men's singles match between Australia and Spain of the Davis Cup tennis tournament at Fuente San Luis Sports Hall in Valencia on September 15, 2024. (Photo by JOSE JORDAN / AFP) (Photo by JOSE JORDAN/AFP via Getty Images)

Australia's Alexei Popyrin returns the ball against Spain's Pedro Martinez during the group stage men's singles match between Australia and Spain of the Davis Cup tennis tournament at Fuente San Luis Sports Hall in Valencia on September 15, 2024. (Photo by JOSE JORDAN / AFP) (Photo by JOSE JORDAN/AFP via Getty Images)

Australia's Alexei Popyrin reacts as he plays against Spain's Pedro Martinez during the group stage men's singles match between Australia and Spain of the Davis Cup tennis tournament at Fuente San Luis Sports Hall in Valencia on September 15, 2024. (Photo by JOSE JORDAN / AFP) (Photo by JOSE JORDAN/AFP via Getty Images)

Australia's Alexei Popyrin celebrates beating Spain's Pedro Martinez during the group stage men's singles match between Australia and Spain of the Davis Cup tennis tournament at Fuente San Luis Sports Hall in Valencia on September 15, 2024. (Photo by JOSE JORDAN / AFP) (Photo by JOSE JORDAN/AFP via Getty Images)

Australia's Alexei Popyrin serves the ball against Spain's Pedro Martinez during the group stage men's singles match between Australia and Spain of the Davis Cup tennis tournament at Fuente San Luis Sports Hall in Valencia on September 15, 2024. (Photo by JOSE JORDAN / AFP) (Photo by JOSE JORDAN/AFP via Getty Images)

Spain's Pedro Martinez returns the ball against Australia's Alexei Popyrin during the group stage men's singles match between Australia and Spain of the Davis Cup tennis tournament at Fuente San Luis Sports Hall in Valencia on September 15, 2024. (Photo by JOSE JORDAN / AFP) (Photo by JOSE JORDAN/AFP via Getty Images)

Australia's Alexei Popyrin returns the ball against Spain's Pedro Martinez during the group stage men's singles match between Australia and Spain of the Davis Cup tennis tournament at Fuente San Luis Sports Hall in Valencia on September 15, 2024. (Photo by JOSE JORDAN / AFP) (Photo by JOSE JORDAN/AFP via Getty Images)