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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kb2 draw
3 Kb3 draw
4 Rc1 draw
5 Rc2 draw
6 Rc3 draw
7 Rd4 draw
8 Re4 draw
9 Rf4 draw
10 Rh4 draw
11 Ka2 loss in 4 half-moves
12 Ka4 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rc8 loss in 2 half-moves