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

EGTB: win in 2 half-moves

# move score
1 Rh4 win in 1 half-moves
2 Kd4 draw
3 Kd5 draw
4 Kd6 draw
5 Ke4 draw
6 Kf4 draw
7 Kf5 draw
8 Ra2 draw
9 Ra3 draw
10 Ra5 draw
11 Ra6 draw
12 Rb4 draw
13 Ke6 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves