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 K1b1 draw
3 Ra3 draw
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 Rf5 draw
8 Rg5 draw
9 Rh5 draw
10 K2b1 loss in 2 half-moves
11 Ka3 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 K1b2 loss in 1 half-moves
14 K2b2 loss in 1 half-moves
15 Rb5 loss in 1 half-moves
16 Rc5 loss in 1 half-moves
17 Rd5 loss in 1 half-moves
18 Re5 loss in 1 half-moves