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

EGTB: draw

# move score
1 Rf4 draw
2 Ka6 loss in 2 half-moves
3 Kb5 loss in 2 half-moves
4 Kb6 loss in 2 half-moves
5 Ra1 loss in 2 half-moves
6 Ra2 loss in 2 half-moves
7 Ra3 loss in 2 half-moves
8 Rc4 loss in 2 half-moves
9 Rd4 loss in 2 half-moves
10 Re4 loss in 2 half-moves
11 Rg4 loss in 2 half-moves
12 Rh4 loss in 2 half-moves
13 Kb4 loss in 1 half-moves
14 Rb4 loss in 1 half-moves