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

EGTB: win in 2 half-moves

# move score
1 Rf1 win in 1 half-moves
2 Rf2 win in 1 half-moves
3 Rf3 draw
4 Kb1 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kd1 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Ra4 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rf8 loss in 2 half-moves
16 Re4 loss in 1 half-moves
17 Rf6 loss in 1 half-moves
18 Rg4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves