Since 2⃣0⃣0⃣9⃣, this is
1⃣st time at Rolex Shanghai Masters
6⃣th time overall (at 9⃣8⃣ Masters tournaments) and
5⃣th time at a Masters on hard court
that any member of BIG5 (Novak Djokovic, Roger Federer, Rafael Nadal, Andy Murray and Stan Wawrinka ) did not reach the last 4⃣ at a Masters!
All Masters where the same scenario happened since 2009 are the following:
2012 Rolex Paris Masters / hard court
2017 Western & Southern Open / hard court
2017 Rolex Paris Masters / hard court
2018 Miami Open / hard court
2018 Mutua Madrid Open / clay
2019 Rolex Shanghai Masters / hard court