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 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kc3 draw
6 Kc4 draw
7 Kc5 draw
8 Rb8 draw
9 Rc8 draw
10 Rd6 draw
11 Rh8 draw
12 Ka2 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves