Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf1 win in 1 half-moves
2 Re4 draw
3 Ke6 loss in 2 half-moves
4 Ke7 loss in 2 half-moves
5 Ke8 loss in 2 half-moves
6 Kf6 loss in 2 half-moves
7 Kf8 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kg8 loss in 2 half-moves
11 Rf2 loss in 2 half-moves
12 Rf3 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rg4 loss in 2 half-moves
16 Rh4 loss in 2 half-moves
17 Ra4 loss in 1 half-moves
18 Rb4 loss in 1 half-moves
19 Rc4 loss in 1 half-moves
20 Rd4 loss in 1 half-moves