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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kc1 win in 3 half-moves
3 Kd4 win in 3 half-moves
4 Rb2 win in 3 half-moves
5 Rc2 win in 3 half-moves
6 Rd2 win in 3 half-moves
7 Kc4 win in 5 half-moves
8 Kc6 win in 5 half-moves
9 Re1 win in 5 half-moves
10 Re4 win in 5 half-moves
11 Ka1 draw
12 Ka2 draw
13 Kb6 draw
14 Kc2 draw
15 Kd5 draw
16 Kd6 draw
17 Ra2 draw
18 Re3 draw
19 Re5 draw
20 Re6 draw
21 Kb2 loss in 2 half-moves
22 Kb4 loss in 2 half-moves
23 Re7 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves