Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Rh4 win in 3 half-moves
4 Ra4 draw
5 Rb1 draw
6 Rb5 draw
7 Rb6 draw
8 Rb7 draw
9 Re4 draw
10 K6f6 loss in 2 half-moves
11 K6f7 loss in 2 half-moves
12 K6h6 loss in 2 half-moves
13 K6h7 loss in 2 half-moves
14 K7f6 loss in 2 half-moves
15 K7f7 loss in 2 half-moves
16 K7h6 loss in 2 half-moves
17 K7h7 loss in 2 half-moves
18 Kf5 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kg8 loss in 2 half-moves
22 Kh5 loss in 2 half-moves
23 Kh8 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rb8 loss in 2 half-moves
27 Rc4 loss in 2 half-moves
28 Rd4 loss in 2 half-moves