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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Rf6 win in 1 half-moves
3 Rf5 draw
4 Rb2 loss in 8 half-moves
5 Ra2 loss in 6 half-moves
6 Rc2 loss in 4 half-moves
7 Kb3 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kb5 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc5 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rf7 loss in 1 half-moves
21 Rf8 loss in 1 half-moves
22 Rh2 loss in 1 half-moves