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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rc1 win in 3 half-moves
3 Rd1 win in 3 half-moves
4 Re1 win in 3 half-moves
5 Rf5 win in 3 half-moves
6 Kc5 win in 5 half-moves
7 Kb6 draw
8 Kb7 draw
9 Kc8 draw
10 Kcc7 draw
11 Kcd7 draw
12 Kd5 draw
13 Kd6 draw
14 Kdc7 draw
15 Kdd7 draw
16 Ra1 draw
17 Rf2 draw
18 Rf3 draw
19 Rf4 draw
20 Kb5 loss in 2 half-moves
21 Ke7 loss in 2 half-moves
22 Ke8 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves