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 Rc7 win in 3 half-moves
3 Ka5 draw
4 Kaa4 draw
5 Kab3 draw
6 Kb2 draw
7 Kb5 draw
8 Kba4 draw
9 Kbb3 draw
10 Kc3 draw
11 Kc4 draw
12 Kc5 draw
13 Ra7 draw
14 Rb7 draw
15 Rd7 draw
16 Re1 draw
17 Re6 draw
18 Re8 draw
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves