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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Kg1 draw
4 Kg2 draw
5 Kg3 draw
6 Kh3 draw
7 Ra7 draw
8 Rd5 draw
9 Rd6 draw
10 Rd8 draw
11 Re7 draw
12 Kh1 loss in 4 half-moves
13 Rf7 loss in 4 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd1 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd3 loss in 2 half-moves
19 Rd4 loss in 2 half-moves