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

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Rc5 win in 3 half-moves
4 Ka1 draw
5 Ka2 draw
6 Kb2 draw
7 Kc1 draw
8 Kc2 draw
9 Kc4 draw
10 Kc5 draw
11 Kc6 draw
12 Kd4 draw
13 Kd6 draw
14 Ra1 draw
15 Ra3 draw
16 Ra4 draw
17 Ke4 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves