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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rd3 win in 1 half-moves
3 Rg4 win in 1 half-moves
4 Kc4 loss in 2 half-moves
5 Kc5 loss in 2 half-moves
6 Kc6 loss in 2 half-moves
7 Kd6 loss in 2 half-moves
8 Ke4 loss in 2 half-moves
9 Ke5 loss in 2 half-moves
10 Ke6 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Ra4 loss in 1 half-moves