If you look at the image, you can see that the Sports column is larger and columns g, s, b, t are smaller.
They are not proportional
In the DatGridView are use then:
AutoSizeColumnsMode: In fill to fit columns
In the next columns modify the properties in design
FillWeight to high that is used for the size of the column
Width the current width of the column
MinimumWidth The minimum column width in pixels
The result are this