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

EGTB: win in 6 half-moves

# move score
1 Kb4 win in 5 half-moves
2 Ka4 win in 7 half-moves
3 Kc3 win in 7 half-moves
4 Kc4 win in 7 half-moves
5 Kd3 win in 7 half-moves
6 Rg1 win in 13 half-moves
7 Ka2 draw
8 Kb2 draw
9 Kb3 draw
10 Ke3 draw
11 Ke4 draw
12 Ra2 draw
13 Rd1 draw
14 Re1 draw
15 Rf1 draw
16 Rh1 draw
17 Kc5 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rc1 loss in 2 half-moves