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