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 Ka2 draw
3 Ka4 draw
4 Kab2 draw
5 Kb1 draw
6 Kb3 draw
7 Kb4 draw
8 Kc2 draw
9 Kcb2 draw
10 Kd1 draw
11 Kd2 draw
12 Ra5 draw
13 Rb6 draw
14 Rc6 draw
15 Rg6 draw
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves