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

EGTB: win in 4 half-moves

# move score
1 Kf2 win in 3 half-moves
2 Kg2 win in 3 half-moves
3 Rg2 win in 3 half-moves
4 Kg1 draw
5 Rb3 draw
6 Re3 draw
7 Rg1 draw
8 Rg4 draw
9 Rg5 draw
10 Rg6 draw
11 Ke1 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh3 loss in 2 half-moves