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 Kb1 draw
3 Kb2 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kc2 draw
8 Kc5 draw
9 Kd1 draw
10 Kd2 draw
11 Ra4 draw
12 Rb1 draw
13 Rb2 draw
14 Rb3 draw
15 Rb6 draw
16 Rc4 draw
17 Rh4 draw
18 Kc7 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rg4 loss in 2 half-moves