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 Kg2 draw
4 Kg4 draw
5 Kg7 draw
6 Kg8 draw
7 Kh2 draw
8 Kh3 draw
9 Kh4 draw
10 Kh7 draw
11 Ra3 draw
12 Ra5 draw
13 Ra6 draw
14 Ra7 draw
15 Ra8 draw
16 Rf4 draw
17 Rg4 draw
18 Rh4 draw
19 Kf2 loss in 2 half-moves
20 Kf3 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves