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

EGTB: win in 4 half-moves

# move score
1 Ka3 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kc3 win in 3 half-moves
4 Kc4 win in 3 half-moves
5 Kd1 win in 3 half-moves
6 Rf3 win in 11 half-moves
7 Ka4 draw
8 Ka5 draw
9 Kb5 draw
10 Kc5 draw
11 Kd2 draw
12 Ke2 draw
13 Kf2 draw
14 Rf2 draw
15 Rf4 draw
16 Rf5 draw
17 Rf6 draw
18 Rg1 draw
19 Rh1 draw
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves