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 Kd1 draw
3 Kd2 draw
4 Ke2 draw
5 Kf1 draw
6 Kf2 draw
7 Rc1 draw
8 Rc3 draw
9 Rd4 draw
10 Re4 draw
11 Rg4 draw
12 Rh4 draw
13 Ra4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves