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 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Ka4 loss in 2 half-moves
6 Ka6 loss in 2 half-moves
7 Kab5 loss in 2 half-moves
8 Kab6 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kcb5 loss in 2 half-moves
12 Kcb6 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves