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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Kc1 draw
9 Kc7 draw
10 Kd1 draw
11 Kd2 draw
12 Ra8 draw
13 Rb1 draw
14 Rb2 draw
15 Rb3 draw
16 Rb6 draw
17 Rc8 draw
18 Rh8 draw
19 Kc3 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Kd6 loss in 2 half-moves
24 Kd7 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rd8 loss in 2 half-moves
28 Re8 loss in 2 half-moves
29 Rf8 loss in 2 half-moves
30 Rg8 loss in 2 half-moves