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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kc3 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Rb4 win in 3 half-moves
6 Rc4 win in 3 half-moves
7 Rd4 win in 3 half-moves
8 Re2 win in 7 half-moves
9 Re3 win in 7 half-moves
10 Ka2 draw
11 Ka3 draw
12 Ka4 draw
13 Kb5 draw
14 Kb7 draw
15 Kc2 draw
16 Kc4 draw
17 Kc7 draw
18 Kd5 draw
19 Ra4 draw
20 Re1 draw
21 Re5 draw
22 Kb2 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Kd7 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Re8 loss in 2 half-moves
28 Rf4 loss in 2 half-moves
29 Rg4 loss in 2 half-moves
30 Rh4 loss in 2 half-moves