Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kb1 win in 5 half-moves
3 Kb2 win in 5 half-moves
4 Rh3 win in 5 half-moves
5 Kc1 draw
6 Kcd1 draw
7 Kcd2 draw
8 Ke2 draw
9 Ked1 draw
10 Ked2 draw
11 Kf1 draw
12 Kf2 draw
13 Ra8 draw
14 Rf8 draw
15 Rg8 draw
16 Rh1 draw
17 Rh2 draw
18 Rh4 draw
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Rc8 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh6 loss in 2 half-moves
27 Rh7 loss in 2 half-moves