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 K6b6 draw
3 K7b6 draw
4 K7b7 draw
5 Ka8 draw
6 Kb8 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Ra5 draw
11 Rb4 draw
12 Rc4 draw
13 Rd4 draw
14 Rh4 draw
15 K6b7 loss in 2 half-moves
16 Ka5 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Re4 loss in 1 half-moves
19 Rg4 loss in 1 half-moves