Medvedev topped Karen Khachanov in an all-Russian semi-final before Monfils announced he was no shape to face Nadal a couple of hours after injuring his left ankle in a quarter-final win over Roberto Bautista Agut.
Not only were the reigning World champions humiliated by the 47-26 scoreline, but their record loss to Australia also ended a 10-year reign as the top-ranked side in the world, a decade in which they won the World Cup twice.
The side has displayed a marked improvement in the last year under coach Rassie Erasmus, a far cry from the horrors of 2016 and 2017, when they racked up records for all the wrong reasons.
Tiisetso Makhubela's first-half strike was enough for Banyana to retain the title against Zambia, who were making their first final appearance.
Flyhalf Pollard scored two of South Africa’s five tries, five penalties and three conversions for 31 points — his best career haul — to help the Springboks to a fourth southern hemisphere title.
The Wallabies stunned the All Blacks 47-26 in their Rugby Championship match on Saturday.
And after Liverpool laid down an early marker with a 4-1 win against Norwich in the season's opening game on Friday, the champions responded with a swaggering display of their own at the London Stadium.
New Zealand gave away three needless penalties in the first half and drifted into too many offside positions before lock Scott Barrett's sending off put the final nail in their coffin in the 47-26 loss.
Pep Guardiola's side kicked off their Premier League title defence with a confident display as Raheem Sterling's hat-trick and goals from Gabriel Jesus and Sergio Aguero demolished the Hammers.
Woods (43) had acknowledged that his back was stiff on the eve of the first event of the PGA Tour’s FedEx Cup playoffs which had limited his ability to practice.
