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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Rb8 draw
3 Rf1 draw
4 Rf5 draw
5 Rf6 draw
6 Rf7 draw
7 Rg8 draw
8 Rh8 draw
9 Ka2 loss in 2 half-moves
10 Ka3 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Ka7 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kb7 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kc5 loss in 2 half-moves
23 Kc6 loss in 2 half-moves
24 Kc7 loss in 2 half-moves
25 Rc8 loss in 2 half-moves
26 Rd8 loss in 2 half-moves
27 Re8 loss in 2 half-moves
28 Rf2 loss in 2 half-moves
29 Rf3 loss in 2 half-moves
30 Rf4 loss in 2 half-moves