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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kd5 draw
5 Rc4 draw
6 Rg1 draw
7 Rg2 draw
8 Rg3 draw
9 Rg5 draw
10 Rg6 draw
11 Rh4 draw
12 Kc4 loss in 4 half-moves
13 Kd4 loss in 4 half-moves
14 Kb6 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Rb4 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 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves