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 Rd8 win in 3 half-moves
5 Re8 draw
6 Rf4 draw
7 Rf5 draw
8 Rf6 draw
9 Rf7 draw
10 Ka2 loss in 2 half-moves
11 Kab1 loss in 2 half-moves
12 Kab2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kcb1 loss in 2 half-moves
17 Kcb2 loss in 2 half-moves
18 Kd1 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
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