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 Kba4 win in 5 half-moves
3 Kba6 win in 5 half-moves
4 Kc6 win in 5 half-moves
5 Kaa4 win in 9 half-moves
6 Kaa6 win in 9 half-moves
7 Kab4 win in 9 half-moves
8 Kab6 win in 9 half-moves
9 Kbb6 win in 9 half-moves
10 Ra8 win in 9 half-moves
11 Kbb4 draw
12 Rb7 draw
13 Rc8 draw
14 Rg8 draw
15 Rh8 draw
16 Kc4 loss in 2 half-moves
17 Kc5 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