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

EGTB: win in 4 half-moves

# move score
1 Kab4 win in 3 half-moves
2 Kab6 win in 3 half-moves
3 Kaa6 win in 5 half-moves
4 Kba6 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Ra6 win in 5 half-moves
7 Rc7 win in 5 half-moves
8 Kaa4 draw
9 Kba4 draw
10 Kbb4 draw
11 Kbb6 draw
12 Kc4 draw
13 Kc5 draw
14 Ra8 draw
15 Rb7 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves