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

EGTB: win in 2 half-moves

# move score
1 Rg5 win in 1 half-moves
2 Kb4 draw
3 Kc5 draw
4 Kd4 draw
5 Kd5 draw
6 Rb2 draw
7 Rb3 draw
8 Rb4 draw
9 Rb6 draw
10 Rb7 draw
11 Rb8 draw
12 Rc5 draw
13 Re5 draw
14 Rf5 draw
15 Rh5 draw
16 Kb3 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rd5 loss in 2 half-moves