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 Kc3 draw
3 Kc4 draw
4 Kd2 draw
5 Kd4 draw
6 Ke3 draw
7 Rd4 draw
8 Re4 draw
9 Rg2 draw
10 Rh4 draw
11 Ke4 loss in 12 half-moves
12 Rg3 loss in 10 half-moves
13 Kc2 loss in 4 half-moves
14 Rg7 loss in 4 half-moves
15 Ke2 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rg1 loss in 1 half-moves