Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Re8 win in 3 half-moves
2 Rb8 win in 7 half-moves
3 Rd8 win in 7 half-moves
4 Kb6 win in 17 half-moves
5 Kb7 win in 17 half-moves
6 Kb8 win in 17 half-moves
7 Kc6 draw
8 Kc8 draw
9 Kd6 draw
10 Kd7 draw
11 Kd8 draw
12 Ke8 draw
13 Ra7 draw
14 Rc8 draw
15 Ke7 loss in 2 half-moves
16 Kf7 loss in 2 half-moves
17 Kg7 loss in 2 half-moves
18 Kg8 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra5 loss in 2 half-moves
24 Ra6 loss in 2 half-moves