Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rc4 win in 3 half-moves
2 Rg6 win in 3 half-moves
3 Rg1 loss in 18 half-moves
4 Rg2 loss in 18 half-moves
5 Rg3 loss in 18 half-moves
6 Rh4 loss in 18 half-moves
7 Ra4 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Rd4 loss in 2 half-moves
10 Re4 loss in 2 half-moves
11 Rf4 loss in 2 half-moves
12 Rg5 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rg8 loss in 2 half-moves