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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Rd8 win in 3 half-moves
3 Kb5 win in 5 half-moves
4 Kc5 win in 5 half-moves
5 Kd5 win in 5 half-moves
6 Ra5 win in 5 half-moves
7 Ra7 win in 5 half-moves
8 Kc3 win in 7 half-moves
9 Ra2 win in 7 half-moves
10 Kb6 draw
11 Kc1 draw
12 Kc2 draw
13 Kc7 draw
14 Kd1 draw
15 Kd3 draw
16 Kd6 draw
17 Kd7 draw
18 Ra4 draw
19 Ra6 draw
20 Rb8 draw
21 Rc8 draw
22 Re8 draw
23 Rf8 draw
24 Ke1 loss in 2 half-moves
25 Ke2 loss in 2 half-moves
26 Ke3 loss in 2 half-moves
27 Ra1 loss in 2 half-moves
28 Ra3 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves