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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Kab3 win in 7 half-moves
3 Kab5 win in 7 half-moves
4 Kaa3 draw
5 Kaa5 draw
6 Kba3 draw
7 Kba5 draw
8 Kbb3 draw
9 Kbb5 draw
10 Kc5 draw
11 Ra6 draw
12 Ra7 draw
13 Rb8 draw
14 Rc8 draw
15 Rh8 draw
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves