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

EGTB: win in 4 half-moves

# move score
1 Rh3 win in 3 half-moves
2 Kd3 win in 9 half-moves
3 Kd4 win in 9 half-moves
4 Kg3 win in 9 half-moves
5 Kh3 win in 9 half-moves
6 Kd5 win in 13 half-moves
7 Kc3 win in 15 half-moves
8 Kg4 win in 15 half-moves
9 Kb3 draw
10 Kb4 draw
11 Kb5 draw
12 Kc5 draw
13 Kg5 draw
14 Kh5 draw
15 Ra2 draw
16 Rc2 draw
17 Rh1 draw
18 Rb2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves