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 Kf1 draw
3 Kh1 draw
4 Ra4 draw
5 Rb4 draw
6 Rc1 draw
7 Rc2 draw
8 Rc8 draw
9 Rd4 draw
10 Re4 draw
11 Kf2 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kh2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves