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 Kb5 draw
3 Kb6 draw
4 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Kd5 draw
8 Kd6 draw
9 Ra4 draw
10 Rb1 draw
11 Rb2 draw
12 Rb3 draw
13 Rb5 draw
14 Rb6 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves