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 Rf4 win in 1 half-moves
3 Re4 draw
4 Rh7 loss in 12 half-moves
5 Rh8 loss in 12 half-moves
6 Kg2 loss in 2 half-moves
7 Kg3 loss in 2 half-moves
8 Kg4 loss in 2 half-moves
9 Kh2 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Rh5 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Rd4 loss in 1 half-moves