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 Re7 draw
6 Rf4 draw
7 Rf5 draw
8 Rf6 draw
9 Rf8 draw
10 Ka1 loss in 2 half-moves
11 Ka2 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Kb1 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kbb3 loss in 2 half-moves
16 Kbc2 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kcb3 loss in 2 half-moves
20 Kcc2 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Kd4 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh7 loss in 2 half-moves