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

EGTB: win in 4 half-moves

# move score
1 Ka2 win in 3 half-moves
2 Kab3 win in 3 half-moves
3 Ka5 draw
4 Kaa4 draw
5 Kb2 draw
6 Kb5 draw
7 Kba4 draw
8 Kbb3 draw
9 Ra4 draw
10 Ra7 draw
11 Rb8 draw
12 Rg8 draw
13 Rh8 draw
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves