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 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd1 draw
6 Kd3 draw
7 Ke1 draw
8 Ke2 draw
9 Ke3 draw
10 Ra4 draw
11 Rb1 draw
12 Rb2 draw
13 Rb5 draw
14 Rc4 draw
15 Rb3 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rg4 loss in 1 half-moves
22 Rh4 loss in 1 half-moves