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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Rf2 win in 3 half-moves
3 Rf3 win in 9 half-moves
4 Rf1 win in 11 half-moves
5 Ka1 draw
6 Ka3 draw
7 Kb1 draw
8 Kb2 draw
9 Kc4 draw
10 Kd4 draw
11 Ke4 draw
12 Ke5 draw
13 Ke6 draw
14 Rd6 draw
15 Re6 draw
16 Rf4 draw
17 Rf5 draw
18 Rg6 draw
19 Rh6 draw
20 Kc5 loss in 2 half-moves
21 Kc6 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Rb6 loss in 2 half-moves
25 Rc6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rf8 loss in 2 half-moves