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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 Re5 win in 1 half-moves
4 Re7 win in 1 half-moves
5 Kc1 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Ke1 loss in 2 half-moves
9 Ke2 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves