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 Kf3 draw
3 Kg3 draw
4 Rf4 draw
5 Kf5 loss in 2 half-moves
6 Kg5 loss in 2 half-moves
7 Kh3 loss in 2 half-moves
8 Kh4 loss in 2 half-moves
9 Kh5 loss in 2 half-moves
10 Ra1 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra3 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Kf4 loss in 1 half-moves