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 Kd4 draw
3 Kd5 draw
4 Ke4 draw
5 Kf4 draw
6 Kf5 draw
7 Ra5 draw
8 Ra6 draw
9 Ra7 draw
10 Rc4 draw
11 Rh4 draw
12 Kd6 loss in 6 half-moves
13 Ke6 loss in 4 half-moves
14 Kf6 loss in 4 half-moves
15 Ra3 loss in 4 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Ra8 loss in 1 half-moves