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

EGTB: win in 6 half-moves

# move score
1 Ra6 win in 5 half-moves
2 Kaa4 draw
3 Kaa6 draw
4 Kba4 draw
5 Kba6 draw
6 Kbb4 draw
7 Kbb6 draw
8 Kc6 draw
9 Ra7 draw
10 Rb8 draw
11 Kab4 loss in 2 half-moves
12 Kab6 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 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
20 Rh8 loss in 2 half-moves