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 Kc3 draw
3 Ke2 draw
4 Ke3 draw
5 Rc2 draw
6 Rc5 draw
7 Rc1 loss in 12 half-moves
8 Kc2 loss in 4 half-moves
9 Kd2 loss in 4 half-moves
10 Kd4 loss in 4 half-moves
11 Ke4 loss in 4 half-moves
12 Rc3 loss in 4 half-moves
13 Ra4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves