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

EGTB: win in 4 half-moves

# move score
1 Kab5 win in 3 half-moves
2 Kab7 win in 3 half-moves
3 Kaa7 win in 5 half-moves
4 Kba7 win in 5 half-moves
5 Ra7 win in 5 half-moves
6 Rc8 win in 5 half-moves
7 Kaa5 draw
8 Kba5 draw
9 Kbb5 draw
10 Kbb7 draw
11 Rb8 draw
12 Rd8 draw
13 Rh8 draw
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves