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