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 Kb7 draw
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 Rb5 draw
8 Re5 draw
9 Rf5 draw
10 Rg5 draw
11 Rh5 draw
12 Ka7 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Kf1 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Kb5 loss in 1 half-moves