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 Rc8 win in 3 half-moves
4 Ka3 draw
5 Ka5 draw
6 Kb1 draw
7 Kb2 draw
8 Kb3 draw
9 Kb4 draw
10 Kb5 draw
11 Kc2 draw
12 Kd1 draw
13 Kd2 draw
14 Rd8 draw
15 Re8 draw
16 Rf1 draw
17 Rf2 draw
18 Rf6 draw
19 Rf7 draw
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves