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 Ra6 draw
3 Rc6 draw
4 Rd6 draw
5 Re7 draw
6 Re8 draw
7 Rh6 draw
8 Kb2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb4 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kcd2 loss in 2 half-moves
14 Kcd3 loss in 2 half-moves
15 Kcd4 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ked2 loss in 2 half-moves
19 Ked3 loss in 2 half-moves
20 Ked4 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Kf4 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rf6 loss in 2 half-moves
27 Rg6 loss in 2 half-moves