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 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kb7 draw
6 Kb8 draw
7 Kc1 draw
8 Kc2 draw
9 Ra6 draw
10 Ra7 draw
11 Rb5 draw
12 Rc5 draw
13 Rf5 draw
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh5 loss in 2 half-moves
21 Ka7 loss in 1 half-moves