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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Rh6 win in 3 half-moves
3 Rb4 draw
4 Rh5 loss in 4 half-moves
5 Kg6 loss in 2 half-moves
6 Kg7 loss in 2 half-moves
7 Kg8 loss in 2 half-moves
8 Kh6 loss in 2 half-moves
9 Kh8 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh1 loss in 2 half-moves
15 Rh2 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Rd4 loss in 1 half-moves