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 Rf5 win in 3 half-moves
3 Ke5 win in 5 half-moves
4 Rb8 win in 5 half-moves
5 Kb4 win in 7 half-moves
6 Ra8 win in 7 half-moves
7 Ka5 win in 9 half-moves
8 Rd8 win in 9 half-moves
9 Rf6 win in 9 half-moves
10 Ka3 draw
11 Kb5 draw
12 Kc4 draw
13 Kc5 draw
14 Kc6 draw
15 Kd4 draw
16 Kd6 draw
17 Ke4 draw
18 Ke6 draw
19 Rf3 draw
20 Rf7 draw
21 Rg8 draw
22 Rh8 draw
23 Kb3 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf2 loss in 2 half-moves