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

EGTB: win in 2 half-moves

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