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 Kg3 win in 7 half-moves
3 Kh3 win in 7 half-moves
4 Kg1 draw
5 Kg2 draw
6 Kh1 draw
7 Ra1 draw
8 Ra2 draw
9 Ra4 draw
10 Rb3 draw
11 Rc3 draw
12 Rd3 draw
13 Re3 draw
14 Rg3 draw
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Ra8 loss in 1 half-moves