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

EGTB: win in 4 half-moves

# move score
1 Kc1 win in 3 half-moves
2 Kc3 win in 3 half-moves
3 Kd1 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Rg1 win in 9 half-moves
6 Kb1 draw
7 Kb2 draw
8 Kb3 draw
9 Kd2 draw
10 Kf2 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kg4 loss in 2 half-moves
14 Kh2 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves