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 Kb2 draw
3 Kb3 draw
4 Kd3 draw
5 Re4 draw
6 Rf4 draw
7 Rg4 draw
8 Rh1 draw
9 Rh2 draw
10 Kc2 loss in 4 half-moves
11 Kd2 loss in 4 half-moves
12 Rh3 loss in 4 half-moves
13 Kb4 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 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves