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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Kaa4 win in 5 half-moves
3 Kba4 win in 5 half-moves
4 Kba6 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Rc8 win in 5 half-moves
7 Kaa6 draw
8 Kab6 draw
9 Kbb6 draw
10 Kc5 draw
11 Ra8 draw
12 Rb7 draw
13 Rg8 draw
14 Rh8 draw
15 Kab4 loss in 2 half-moves
16 Kbb4 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves