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 Kb3 draw
4 Kb4 draw
5 Re2 draw
6 Re3 draw
7 Rf4 draw
8 Rh4 draw
9 Ka2 loss in 4 half-moves
10 Kb2 loss in 4 half-moves
11 Re5 loss in 4 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Re1 loss in 1 half-moves