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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Rc8 win in 3 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 Kc1 draw
7 Kc3 draw
8 Kcd1 draw
9 Kcd2 draw
10 Ke1 draw
11 Ked1 draw
12 Ked2 draw
13 Kf1 draw
14 Kf2 draw
15 Ra8 draw
16 Rd1 draw
17 Rd2 draw
18 Rd7 draw
19 Rh8 draw
20 Kcd3 loss in 2 half-moves
21 Ke3 loss in 2 half-moves
22 Ked3 loss in 2 half-moves
23 Kf3 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Rd4 loss in 2 half-moves
26 Rd5 loss in 2 half-moves
27 Rd6 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