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 win in 5 half-moves
3 Rb8 win in 5 half-moves
4 Rf2 win in 5 half-moves
5 Ka2 draw
6 Ka5 draw
7 Kaa4 draw
8 Kab3 draw
9 Kb2 draw
10 Kb5 draw
11 Kba4 draw
12 Kbb3 draw
13 Kc3 draw
14 Kc4 draw
15 Kc5 draw
16 Rd8 draw
17 Re8 draw
18 Rf1 draw
19 Rf6 draw
20 Rf7 draw
21 Rf3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves