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 Rf6 win in 5 half-moves
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Kc5 draw
11 Kc8 draw
12 Kcc7 draw
13 Kcd7 draw
14 Kd5 draw
15 Kd6 draw
16 Kdc7 draw
17 Kdd7 draw
18 Ra1 draw
19 Rf2 draw
20 Rf3 draw
21 Rf4 draw
22 Ke7 loss in 2 half-moves
23 Ke8 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