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