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 Kc2 draw
3 Kc3 draw
4 Kc4 draw
5 Kd2 draw
6 Kd4 draw
7 Ke2 draw
8 Ke3 draw
9 Ke4 draw
10 Ra4 draw
11 Rc4 draw
12 Rd4 draw
13 Rf4 draw
14 Rg1 draw
15 Rg2 draw
16 Rg6 draw
17 Rg7 draw
18 Rh4 draw
19 Rg3 loss in 10 half-moves
20 Re4 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg8 loss in 2 half-moves