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