Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rc7 win in 3 half-moves
4 Rd7 win in 3 half-moves
5 Rf3 win in 3 half-moves
6 Kc3 win in 5 half-moves
7 Ka1 draw
8 Ka2 draw
9 Kb3 draw
10 Kbb2 draw
11 Kbc1 draw
12 Kcb2 draw
13 Kcc1 draw
14 Re7 draw
15 Rf4 draw
16 Rf5 draw
17 Rf6 draw
18 Rf8 draw
19 Kd1 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves