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 Kb6 draw
3 Kc6 draw
4 Kd5 draw
5 Kd6 draw
6 Re4 draw
7 Rf4 draw
8 Rh5 draw
9 Rh6 draw
10 Rh7 draw
11 Rh8 draw
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves