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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rd8 draw
5 Re8 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Rf4 draw
10 Ka4 loss in 2 half-moves
11 Ka7 loss in 2 half-moves
12 Kaa5 loss in 2 half-moves
13 Kab6 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kba5 loss in 2 half-moves
17 Kbb6 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves