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

EGTB: win in 4 half-moves

# move score
1 Kbb6 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Ra7 win in 11 half-moves
4 Kaa6 draw
5 Kab6 draw
6 Kc6 draw
7 Rb8 draw
8 Kaa4 loss in 2 half-moves
9 Kab4 loss in 2 half-moves
10 Kba4 loss in 2 half-moves
11 Kba6 loss in 2 half-moves
12 Kbb4 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves