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 Rf1 win in 5 half-moves
6 Ka2 draw
7 Ka4 draw
8 Kab2 draw
9 Kab3 draw
10 Kb1 draw
11 Kb4 draw
12 Kc1 draw
13 Kc3 draw
14 Kcb2 draw
15 Kcb3 draw
16 Re8 draw
17 Rf5 draw
18 Rf6 draw
19 Rf7 draw
20 Kd1 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves