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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Ra8 win in 5 half-moves
3 Rc8 win in 5 half-moves
4 Kaa2 draw
5 Kaa4 draw
6 Kab2 draw
7 Kab4 draw
8 Kba2 draw
9 Kba4 draw
10 Kbb2 draw
11 Kbb4 draw
12 Kc2 draw
13 Kc3 draw
14 Kc4 draw
15 Rb8 draw
16 Rd8 draw
17 Re8 draw
18 Rf5 draw
19 Rf6 draw
20 Rf7 draw
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves