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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kb7 draw
6 Kb8 draw
7 Kc7 draw
8 Kd7 draw
9 Kd8 draw
10 Ra2 draw
11 Ra3 draw
12 Ra8 draw
13 Rb5 draw
14 Rc5 draw
15 Rd5 draw
16 Re5 draw
17 Rf5 draw
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves