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

EGTB: win in 10 half-moves

# move score
1 Rb5 win in 9 half-moves
2 Ka2 draw
3 Ka3 draw
4 Ka4 draw
5 Kb2 draw
6 Kb5 draw
7 Kb6 draw
8 Kbb4 draw
9 Kbc4 draw
10 Kc2 draw
11 Kc3 draw
12 Kc6 draw
13 Kcb4 draw
14 Kcc4 draw
15 Ra8 draw
16 Rb4 draw
17 Rc8 draw
18 Rh8 draw
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rd8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves