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

EGTB: win in 4 half-moves

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