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