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 Rh3 win in 3 half-moves
3 Rh4 win in 3 half-moves
4 Rh5 win in 3 half-moves
5 Rh6 win in 3 half-moves
6 Rh7 win in 3 half-moves
7 Ka2 win in 5 half-moves
8 Kc7 win in 15 half-moves
9 Ka3 draw
10 Ka4 draw
11 Ka5 draw
12 Ka6 draw
13 Ka7 draw
14 Kb2 draw
15 Kb4 draw
16 Kb5 draw
17 Kc5 draw
18 Kc6 draw
19 Rb8 draw
20 Rd8 draw
21 Kc2 loss in 2 half-moves
22 Kc3 loss in 2 half-moves
23 Kc4 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves
29 Rh1 loss in 2 half-moves
30 Rh2 loss in 2 half-moves