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