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 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Rd4 draw
6 Re4 draw
7 Rf4 draw
8 Rg4 draw
9 Rh4 draw
10 K7b8 loss in 2 half-moves
11 K7d8 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 K7b7 loss in 1 half-moves
16 K7d7 loss in 1 half-moves
17 K8b7 loss in 1 half-moves
18 K8b8 loss in 1 half-moves
19 K8d7 loss in 1 half-moves
20 K8d8 loss in 1 half-moves
21 Ra5 loss in 1 half-moves
22 Ra6 loss in 1 half-moves
23 Ra7 loss in 1 half-moves
24 Ra8 loss in 1 half-moves
25 Rc4 loss in 1 half-moves