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

EGTB: win in 4 half-moves

# move score
1 Kab6 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Rc8 win in 3 half-moves
5 Kb8 win in 11 half-moves
6 Kc8 win in 11 half-moves
7 Rb8 win in 11 half-moves
8 Kaa6 win in 13 half-moves
9 Kc6 win in 15 half-moves
10 Ka4 win in 17 half-moves
11 Ka7 win in 17 half-moves
12 Kc7 win in 17 half-moves
13 Kba6 draw
14 Kbb6 draw
15 Ra7 draw
16 Rd8 draw
17 Re8 draw
18 Ra6 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves