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 Kd8 draw
3 Ke7 draw
4 Kf7 draw
5 Kf8 draw
6 Rb4 draw
7 Rc4 draw
8 Rd4 draw
9 Rf4 draw
10 Rg4 draw
11 Rh4 draw
12 Kd7 loss in 2 half-moves
13 Ka2 loss in 1 half-moves
14 Kb1 loss in 1 half-moves
15 Kb2 loss in 1 half-moves
16 Re1 loss in 1 half-moves
17 Re2 loss in 1 half-moves
18 Re3 loss in 1 half-moves
19 Re5 loss in 1 half-moves
20 Re6 loss in 1 half-moves
21 Re7 loss in 1 half-moves