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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rf3 win in 1 half-moves
3 Rf6 draw
4 Rf8 draw
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 Ra2 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rd2 loss in 2 half-moves
13 Re2 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf4 loss in 1 half-moves
16 Rf5 loss in 1 half-moves
17 Rf7 loss in 1 half-moves
18 Rg2 loss in 1 half-moves
19 Rh2 loss in 1 half-moves