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 Kf4 draw
3 Kf5 draw
4 Kg5 draw
5 Kh4 draw
6 Kh5 draw
7 Ra3 draw
8 Ra5 draw
9 Ra6 draw
10 Ra8 draw
11 Rd4 draw
12 Re4 draw
13 Kf3 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves