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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ka1 draw
3 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 Ra7 draw
7 Raa8 draw
8 Rab3 draw
9 Rb1 draw
10 Rb7 draw
11 Rba8 draw
12 Rc3 draw
13 Rc8 draw
14 Rd3 draw
15 Re3 draw
16 Re8 draw
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rbb3 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg3 loss in 2 half-moves
28 Rg8 loss in 2 half-moves
29 Rh3 loss in 2 half-moves
30 Rh8 loss in 2 half-moves