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 Kc7 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Ke7 win in 3 half-moves
6 Rb8 win in 3 half-moves
7 Kb6 win in 5 half-moves
8 Kd7 win in 5 half-moves
9 Kg6 win in 5 half-moves
10 Kg7 win in 5 half-moves
11 Kg8 win in 5 half-moves
12 Rc8 win in 5 half-moves
13 Rf8 win in 5 half-moves
14 Rg8 win in 5 half-moves
15 Kc5 win in 7 half-moves
16 Kf6 win in 7 half-moves
17 Ke6 win in 13 half-moves
18 Ke8 draw
19 Kf8 draw
20 Ra8 draw
21 Rh3 draw
22 Rh4 draw
23 Rh5 draw
24 Rh6 draw
25 Rh7 draw
26 Kb5 loss in 2 half-moves
27 Rd8 loss in 2 half-moves
28 Re8 loss in 2 half-moves
29 Rh1 loss in 2 half-moves
30 Rh2 loss in 2 half-moves