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

EGTB: win in 4 half-moves

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