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 Ra8 draw
3 Rb8 draw
4 Rc8 draw
5 Rd8 draw
6 Re8 draw
7 Rf5 draw
8 Rf6 draw
9 Rf7 draw
10 Ka2 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Ke1 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Kg1 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves