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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kab3 draw
5 Kb1 draw
6 Kb2 draw
7 Kb4 draw
8 Kc3 draw
9 Kc5 draw
10 Kcb3 draw
11 Kd3 draw
12 Kd4 draw
13 Kd5 draw
14 Ra7 draw
15 Rb5 draw
16 Rb6 draw
17 Rh7 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rb3 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc7 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Kb5 loss in 1 half-moves