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

EGTB: win in 14 half-moves

# move score
1 Ra8 win in 13 half-moves
2 Kaa2 draw
3 Kaa4 draw
4 Kab2 draw
5 Kab4 draw
6 Kba2 draw
7 Kba4 draw
8 Kbb2 draw
9 Kbb4 draw
10 Rb8 draw
11 Rc8 draw
12 Rd1 draw
13 Rd5 draw
14 Rd6 draw
15 Rd7 draw
16 Rh8 draw
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rd4 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