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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Kb7 win in 7 half-moves
3 Rb2 win in 7 half-moves
4 Rb4 win in 7 half-moves
5 Rb7 win in 7 half-moves
6 Kb6 win in 9 half-moves
7 Ra1 win in 9 half-moves
8 Kb8 win in 11 half-moves
9 Kb3 draw
10 Kb4 draw
11 Kb5 draw
12 Kc3 draw
13 Kc5 draw
14 Kc6 draw
15 Kc8 draw
16 Kd3 draw
17 Rb8 draw
18 Rc1 draw
19 Rd1 draw
20 Rh1 draw
21 Kd4 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 Kd8 loss in 2 half-moves
26 Rb5 loss in 2 half-moves
27 Rb6 loss in 2 half-moves
28 Re1 loss in 2 half-moves
29 Rf1 loss in 2 half-moves
30 Rg1 loss in 2 half-moves