Here are the string tensions for various pros at the BBT Open in Atlanta. Keep in mind these are hot (90s') and humid conditions.
Austin Krajicek 48 lbs AluPower 1.25
John-Patrick Smith 49 lbs RPM Blast 1.25
John McEnroe 50 lbs. VS Gut V 1.20
Reilly Opelka 50 lbs Luxilon Alu Power / Flouro
Horacio Zeballos 53 lbs Luxilon 4G
Jared Donaldson 46 lbs Luxilon AluPowerRough
Nick Kyrgios 55 lbs Yonex PolyTour 1.20
Fernando Verdasco 26/24 kg & 25/23 kg Luxilon element
Kamke Luxilon Alu...
String Tensions at the BBT Open in Atlanta
Austin Krajicek 48 lbs AluPower 1.25
John-Patrick Smith 49 lbs RPM Blast 1.25
John McEnroe 50 lbs. VS Gut V 1.20
Reilly Opelka 50 lbs Luxilon Alu Power / Flouro
Horacio Zeballos 53 lbs Luxilon 4G
Jared Donaldson 46 lbs Luxilon AluPowerRough
Nick Kyrgios 55 lbs Yonex PolyTour 1.20
Fernando Verdasco 26/24 kg & 25/23 kg Luxilon element
Kamke Luxilon Alu...
String Tensions at the BBT Open in Atlanta