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

EGTB: win in 4 half-moves

# move score
1 Kba3 win in 3 half-moves
2 Kaa1 draw
3 Kaa3 draw
4 Kab1 draw
5 Kab3 draw
6 Kbb1 draw
7 Kbb3 draw
8 Ra4 draw
9 Ra5 draw
10 Ra6 draw
11 Ra7 draw
12 Rb8 draw
13 Rg8 draw
14 Rh8 draw
15 Kba1 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Ra3 loss in 1 half-moves
20 Rc8 loss in 1 half-moves
21 Rd8 loss in 1 half-moves
22 Re8 loss in 1 half-moves
23 Rf8 loss in 1 half-moves