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 Kc3 draw
3 Kd3 draw
4 Ke1 draw
5 Ke2 draw
6 Ke3 draw
7 Ra4 draw
8 Rf4 draw
9 Rg1 draw
10 Rg2 draw
11 Rg3 draw
12 Rh4 draw
13 Kc1 loss in 4 half-moves
14 Kc2 loss in 4 half-moves
15 Kd1 loss in 4 half-moves
16 Rg6 loss in 4 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rg5 loss in 1 half-moves