AUSTRALIA – MELBOURNE – TENNIS – AUSTRALIAN OPEN – DAY 7 #Gallery

MELBOURNE, Jan. 26, 2020 (Xinhua) — Wang Qiang of China hits a return during the women’s singles fourth round match against Ons Jabeur of Tunisia at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Xinhua/Wang Jingqiang/IANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Ons Jabeur of Tunisia celebrates after winning the women’s singles 4th round match against Wang Qiang of China at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Xinhua/Bai Xuefei/IANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Novak Djokovic of Serbia hits a return during the men’s singles 4th round match against Diego Schwartzman of Argentina at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Xinhua/Wang Jingqiang/IANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Marin Cilic of Croatia hits a return during the men’s singles 4th round match against Milos Raonic of Canada at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Photo by Bai Xue/Xinhua/IANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Milos Raonic of Canada hits a return during the men’s singles 4th round match against Marin Cilic of Croatia at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Photo by Bai Xue/XinhuaIANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Alison Riske of the United States hits a return during the women’s singles fourth round match against Ashleigh Barty of Australia at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Photo by Bai Xue/Xinhua/IANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Ashleigh Barty of Australia hits a return during the women’s singles fourth round match against Alison Riske of the United States at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Xinhua/Bai Xuefei/IANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Roger Federer of Switzerland celebrates after winning the men’s singles fourth round match against Marton Fucsovics of Hungary at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Xinhua/Bai Xuefei/IANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Roger Federer of Switzerland hits a return during the men’s singles fourth round match against Marton Fucsovics of Hungary at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Xinhua/Wang Jingqiang/IANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Marton Fucsovics of Hungary hits a return during the men’s singles fourth round match against Roger Federer of Switzerland at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Xinhua/Wang Jingqiang/IANS)

MELBOURNE, Jan. 26, 2020 (Xinhua) — Roger Federer of Switzerland reacts during the men’s singles fourth round match against Marton Fucsovics of Hungary at the Australian Open tennis championship in Melbourne, Australia on Jan. 26, 2020. (Xinhua/Wang Jingqiang/IANS)