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 Kc2 draw
3 Kc3 draw
4 Kc4 draw
5 Kd2 draw
6 Kd4 draw
7 Ra4 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb5 draw
12 Rb6 draw
13 Rb7 draw
14 Rb8 draw
15 Rd4 draw
16 Re4 draw
17 Rg4 draw
18 Rh4 draw
19 Ke2 loss in 2 half-moves
20 Ke3 loss in 2 half-moves
21 Ke4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves