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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 K5g5 draw
3 K5g6 draw
4 K6g6 draw
5 Kg4 draw
6 Rd4 draw
7 Re4 draw
8 Rf4 draw
9 Rg4 draw
10 Rh1 draw
11 Rh2 draw
12 Rh3 draw
13 K6g5 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Ra4 loss in 1 half-moves
17 Rc4 loss in 1 half-moves