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 Ra4 draw
6 Rf1 draw
7 Rf3 draw
8 Rf5 draw
9 Rf7 draw
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves