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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Ra1 draw
5 Ra2 draw
6 Rb4 draw
7 Re4 draw
8 Rf4 draw
9 Rg4 draw
10 Ka6 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kc8 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Kb4 loss in 1 half-moves