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 Kd3 draw
3 Kf3 draw
4 Rf2 draw
5 Rg4 draw
6 Rh4 draw
7 Rf1 loss in 8 half-moves
8 Kd2 loss in 4 half-moves
9 Ke2 loss in 4 half-moves
10 Kf2 loss in 4 half-moves
11 Rf3 loss in 4 half-moves
12 Kd4 loss in 2 half-moves
13 Ke4 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rf8 loss in 2 half-moves