Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 a3 win in 1 half-moves
2 Re2 win in 1 half-moves
3 Re3 win in 1 half-moves
4 Re5 win in 1 half-moves
5 Re6 win in 1 half-moves
6 Re7 win in 1 half-moves
7 Re8 win in 1 half-moves
8 Kb5 loss in 1 half-moves
9 Kb6 loss in 1 half-moves
10 Kb7 loss in 1 half-moves
11 Kc5 loss in 1 half-moves
12 Kc7 loss in 1 half-moves
13 Kd5 loss in 1 half-moves
14 Kd6 loss in 1 half-moves
15 Kd7 loss in 1 half-moves
16 Rb4 loss in 1 half-moves
17 Rc4 loss in 1 half-moves
18 Rd4 loss in 1 half-moves
19 Re1 loss in 1 half-moves
20 Rf4 loss in 1 half-moves
21 Rg4 loss in 1 half-moves
22 Rh4 loss in 1 half-moves