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 Rf5 win in 3 half-moves
4 Ka1 draw
5 Ka2 draw
6 Ka3 draw
7 Ka5 draw
8 Kb2 draw
9 Kb3 draw
10 Kb4 draw
11 Kc1 draw
12 Kc2 draw
13 Rc8 draw
14 Rd8 draw
15 Re8 draw
16 Rf4 draw
17 Rf6 draw
18 Rf7 draw
19 Kb5 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves