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

EGTB: win in 6 half-moves

# move score
1 Rg2 win in 5 half-moves
2 Rg1 win in 7 half-moves
3 Rd4 draw
4 Re4 draw
5 Rf4 draw
6 Rg3 draw
7 Rg7 draw
8 Rg8 draw
9 Rh4 draw
10 Kb1 loss in 2 half-moves
11 Kb2 loss in 2 half-moves
12 Kc2 loss in 2 half-moves
13 Kcd1 loss in 2 half-moves
14 Kcd2 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Ked1 loss in 2 half-moves
17 Ked2 loss in 2 half-moves
18 Kf1 loss in 2 half-moves
19 Kf2 loss in 2 half-moves
20 Ra4 loss in 2 half-moves
21 Rb4 loss in 2 half-moves
22 Rc4 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg6 loss in 2 half-moves