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 Rc7 win in 3 half-moves
4 Kb2 win in 5 half-moves
5 Kc4 win in 11 half-moves
6 Kc5 win in 11 half-moves
7 Ka5 draw
8 Kaa4 draw
9 Kb5 draw
10 Kba4 draw
11 Kbb3 draw
12 Kc3 draw
13 Ra4 draw
14 Ra5 draw
15 Ra6 draw
16 Ra8 draw
17 Rb7 draw
18 Rd7 draw
19 Re7 draw
20 Rf7 draw
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves