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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kd6 win in 1 half-moves
3 Ra4 win in 1 half-moves
4 Rc1 win in 1 half-moves
5 Rc2 win in 1 half-moves
6 Kb5 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Rc3 loss in 2 half-moves
10 Rd4 loss in 2 half-moves
11 Re4 loss in 2 half-moves
12 Rf4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Kb4 loss in 1 half-moves
16 Kc6 loss in 1 half-moves
17 Rb4 loss in 1 half-moves