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

EGTB: win in 4 half-moves

# move score
1 Kg2 win in 3 half-moves
2 Kh2 win in 3 half-moves
3 Re1 win in 3 half-moves
4 Re2 win in 3 half-moves
5 Rg3 win in 3 half-moves
6 Rh3 win in 3 half-moves
7 Kg1 draw
8 Rd3 draw
9 Re6 draw
10 Rf3 draw
11 Ra3 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Re5 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Re8 loss in 2 half-moves