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 Kd1 draw
3 Ke1 draw
4 Ke2 draw
5 Ra4 draw
6 Rc4 draw
7 Rd4 draw
8 Rf1 draw
9 Rf2 draw
10 Rf5 draw
11 Rf6 draw
12 Rf7 draw
13 Rf8 draw
14 Rg4 draw
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rh4 loss in 2 half-moves