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

EGTB: win in 4 half-moves

# move score
1 Kg1 win in 3 half-moves
2 Kg2 win in 3 half-moves
3 Rf1 win in 3 half-moves
4 Rf2 win in 3 half-moves
5 Rf3 win in 7 half-moves
6 Kb2 draw
7 Kb3 draw
8 Kb4 draw
9 Kc2 draw
10 Kc4 draw
11 Kd2 draw
12 Kd3 draw
13 Kh2 draw
14 Rd4 draw
15 Re4 draw
16 Rf5 draw
17 Rf6 draw
18 Rg4 draw
19 Rh4 draw
20 Kd4 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Rb4 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves