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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Ra1 draw
11 Ra2 draw
12 Rb3 draw
13 Rb4 draw
14 Rb6 draw
15 Rbb1 draw
16 Re1 draw
17 Rf1 draw
18 Rh2 draw
19 Rh3 draw
20 Rh4 draw
21 Rh5 draw
22 Rh6 draw
23 Rhb1 draw
24 Rb7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc1 loss in 2 half-moves
27 Rc2 loss in 2 half-moves
28 Rd1 loss in 2 half-moves
29 Rd2 loss in 2 half-moves
30 Rg1 loss in 2 half-moves
31 Rh7 loss in 2 half-moves
32 Rh8 loss in 2 half-moves