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

EGTB: win in 4 half-moves

# move score
1 Rf2 win in 3 half-moves
2 Ke2 draw
3 Kf1 draw
4 Kf2 draw
5 Rf1 draw
6 Rf3 draw
7 Rf5 draw
8 Rf7 draw
9 Rh4 draw
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg4 loss in 2 half-moves