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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Rc3 draw
3 Rc4 draw
4 Rc5 draw
5 Rc6 draw
6 Rd1 draw
7 Re1 draw
8 Rf1 draw
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kh2 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves