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 Kc2 draw
3 Kc4 draw
4 Kd2 draw
5 Kd3 draw
6 Kd4 draw
7 Ra4 draw
8 Rb3 draw
9 Rb5 draw
10 Rb6 draw
11 Kb3 loss in 20 half-moves
12 Kb2 loss in 8 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc4 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