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

EGTB: win in 4 half-moves

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