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 Kh6 draw
3 Rh2 draw
4 Rh3 draw
5 Rh1 loss in 4 half-moves
6 Kg4 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rc4 loss in 2 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