JETSON AGX ORIN PCIE 3.0 impedance matching

HI all.
I am working on the layout of the baseboard of AGX ORIN module. The ORIN module is connected to an SOC through PCIE3.0X1. The required impedance of this SOC is 100ohm±15%, and a btb connector with 100ohm impedance passes through the middle.
In this case, how should the line impedance be set? Can we use 0 ohm resistors in series on PCIE tx & rx lines for impedance adjustment?

Hi, please follow below routing guideline in Orin Design Guide.

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