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

EGTB: win in 4 half-moves

# move score
1 Kab3 win in 3 half-moves
2 Kab5 win in 3 half-moves
3 Kaa3 win in 5 half-moves
4 Kba3 win in 5 half-moves
5 Kbb3 win in 5 half-moves
6 Kaa5 draw
7 Kba5 draw
8 Kbb5 draw
9 Ra6 draw
10 Ra8 draw
11 Rb7 draw
12 Rc7 draw
13 Rd7 draw
14 Rh7 draw
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves