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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rc4 win in 1 half-moves
3 Rd4 win in 1 half-moves
4 Rh5 draw
5 Rh1 loss in 4 half-moves
6 Ka7 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Re4 loss in 2 half-moves
11 Rf4 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Rh2 loss in 2 half-moves
14 Rh3 loss in 2 half-moves
15 Rh6 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Rh8 loss in 2 half-moves