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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kd4 draw
5 Ke4 draw
6 Ra1 draw
7 Ra3 draw
8 Ra5 draw
9 Rb2 draw
10 Rd2 draw
11 Rf2 draw
12 Rg2 draw
13 Rh2 draw
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Re2 loss in 2 half-moves