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 Rb8 win in 3 half-moves
3 Rf3 win in 3 half-moves
4 Rf4 win in 3 half-moves
5 Rf5 win in 3 half-moves
6 Ka5 win in 5 half-moves
7 Kb5 win in 5 half-moves
8 Rc8 win in 5 half-moves
9 Ka1 draw
10 Ka2 draw
11 Kaa3 draw
12 Kab3 draw
13 Kb1 draw
14 Kb4 draw
15 Kba3 draw
16 Kbb3 draw
17 Kc1 draw
18 Kc2 draw
19 Kc3 draw
20 Rd8 draw
21 Re8 draw
22 Rf6 draw
23 Rf7 draw
24 Rf1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves