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 Rb4 draw
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Rg1 draw
7 Rg2 draw
8 Rg3 draw
9 Rg7 draw
10 Rg8 draw
11 Kg2 loss in 2 half-moves
12 Kg3 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rg5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rh4 loss in 2 half-moves