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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Re1 win in 3 half-moves
6 Ra5 win in 5 half-moves
7 Ra6 win in 5 half-moves
8 Ra7 win in 5 half-moves
9 Rc1 win in 5 half-moves
10 Rd1 win in 5 half-moves
11 Kc4 win in 13 half-moves
12 Kc7 draw
13 Kcc6 draw
14 Kcd5 draw
15 Kd4 draw
16 Kd7 draw
17 Kdc6 draw
18 Kdd5 draw
19 Ra2 draw
20 Ra3 draw
21 Ra8 draw
22 Rf1 draw
23 Ke5 loss in 2 half-moves
24 Ke6 loss in 2 half-moves
25 Ke7 loss in 2 half-moves
26 Ra4 loss in 2 half-moves
27 Rg1 loss in 2 half-moves
28 Rh1 loss in 2 half-moves