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 Ka7 draw
3 Kb6 draw
4 Kb7 draw
5 Rd1 draw
6 Re1 draw
7 Rf5 draw
8 Rf6 draw
9 Rg1 draw
10 Ka5 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Ra1 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rh1 loss in 2 half-moves