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 Rc4 win in 1 half-moves
3 Rd4 draw
4 Kf4 loss in 2 half-moves
5 Kf5 loss in 2 half-moves
6 Ra4 loss in 2 half-moves
7 Re1 loss in 2 half-moves
8 Re2 loss in 2 half-moves
9 Re3 loss in 2 half-moves
10 Rf4 loss in 2 half-moves
11 Rg4 loss in 2 half-moves
12 Rh4 loss in 2 half-moves
13 Kd4 loss in 1 half-moves
14 Kd5 loss in 1 half-moves
15 Kd6 loss in 1 half-moves
16 Ke6 loss in 1 half-moves
17 Kf6 loss in 1 half-moves