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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Rc1 win in 3 half-moves
4 Ke1 win in 5 half-moves
5 Ke2 win in 5 half-moves
6 Ra8 win in 7 half-moves
7 Kf1 win in 15 half-moves
8 Ka2 draw
9 Ka3 draw
10 Ka4 draw
11 Kb4 draw
12 Kc4 draw
13 Kg1 draw
14 Kg2 draw
15 Rb8 draw
16 Rc2 draw
17 Rc3 draw
18 Rc4 draw
19 Rd8 draw
20 Re8 draw
21 Rf8 draw
22 Kc3 loss in 2 half-moves
23 Ke3 loss in 2 half-moves
24 Kf3 loss in 2 half-moves
25 Kg3 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rc6 loss in 2 half-moves
28 Rc7 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves