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

EGTB: win in 4 half-moves

# move score
1 Kg3 win in 3 half-moves
2 Kh3 win in 3 half-moves
3 Kg2 win in 5 half-moves
4 Re3 win in 7 half-moves
5 Kd6 draw
6 Kg1 draw
7 Kh1 draw
8 Rb4 draw
9 Re1 draw
10 Re2 draw
11 Kd4 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Kf6 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves