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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka4 loss in 2 half-moves
3 Ka5 loss in 2 half-moves
4 Ka6 loss in 2 half-moves
5 Kb6 loss in 2 half-moves
6 Kc4 loss in 2 half-moves
7 Kc5 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Re4 loss in 1 half-moves
16 Rf4 loss in 1 half-moves
17 Rg4 loss in 1 half-moves