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 Kf6 draw
3 Kg6 draw
4 Kh6 draw
5 Ra6 draw
6 Rd4 draw
7 Rh4 draw
8 Kf4 loss in 2 half-moves
9 Kf5 loss in 2 half-moves
10 Kg4 loss in 2 half-moves
11 Kh4 loss in 2 half-moves
12 Kh5 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves