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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Rg1 draw
3 Rg7 draw
4 Rg8 draw
5 Ka2 loss in 2 half-moves
6 Ka5 loss in 2 half-moves
7 Kaa4 loss in 2 half-moves
8 Kab3 loss in 2 half-moves
9 Kb2 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kba4 loss in 2 half-moves
12 Kbb3 loss in 2 half-moves
13 Kc3 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rh4 loss in 2 half-moves