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 Ka6 draw
3 Kb5 draw
4 Kb6 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Rb4 draw
9 Rc4 draw
10 Kb4 loss in 4 half-moves
11 Rd4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves