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