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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Rg1 win in 1 half-moves
3 Kf4 win in 3 half-moves
4 Rg2 loss in 6 half-moves
5 Kf5 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kg6 loss in 2 half-moves
8 Kh4 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Kh6 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 Rb4 loss in 1 half-moves
17 Rc4 loss in 1 half-moves