Ο προπονητής θέλει νίκη στο επόμενο παιχνίδι.

Ο is the masculine singular definite article, so here it means the.

• Ο προπονητής = the coach
• It is used because προπονητής is:
  • masculine
  • singular
  • in the nominative case (the subject of the sentence)

So Ο προπονητής is the full subject: The coach.

Προπονητής is a masculine noun meaning coach. In this sentence it is in the nominative singular, because it is the subject — the person doing the wanting.

The ending -ής is a common masculine noun ending in Greek. You do not need to treat it as a special meaning by itself here; it is just part of the noun’s normal form.

So:

• ο προπονητής = the coach (subject form)

Θέλει is the 3rd person singular present tense of θέλω (to want).

So:

• θέλω = I want
• θέλεις = you want
• θέλει = he/she/it wants

Here it matches ο προπονητής, which is singular:

• Ο προπονητής θέλει... = The coach wants...

Depending on context, θέλει can sometimes sound like wants, is looking for, or needs, but here wants is the most direct reading.

Greek does not have an indefinite article like English a / an.

So a bare noun like νίκη can mean:

• victory
• a victory
• a win

In this sentence:

• θέλει νίκη = wants a win / wants victory

That is completely normal Greek. English needs a, but Greek does not.

Because the sentence is talking about a win, not specifically the win.

Compare:

• θέλει νίκη = he wants a win / wants victory
• θέλει τη νίκη = he wants the win / the victory

So the absence of the article makes it more general or indefinite.

Νίκη is the direct object of θέλει, so grammatically it is in the accusative case.

For this noun, the nominative and accusative singular happen to look the same:

• nominative: η νίκη
• accusative: τη νίκη

Without the article, you just see νίκη, so the form looks unchanged.

This is very common in Greek: sometimes the case is clear from the role in the sentence, even if the noun itself does not visibly change.

Στο is a contraction of:

• σε = in / at / to
• το = the

So:

• σε το → στο

Here στο επόμενο παιχνίδι means:

• in the next game
• sometimes also at the next game, depending on context

This contraction is extremely common in Greek.

Because the adjective must agree with the noun it describes.

The noun παιχνίδι is:

• neuter
• singular
• here in the accusative

So the adjective must also be neuter singular accusative:

• επόμενο παιχνίδι = next game

That is why it is επόμενο, not επόμενος.

Very roughly:

• επόμενος = masculine
• επόμενη = feminine
• επόμενο = neuter

After σε (and therefore after στο), Greek normally uses the accusative case.

So in στο επόμενο παιχνίδι:

• στο = in/to the
• επόμενο παιχνίδι = next game
• the noun phrase is in the accusative

With παιχνίδι, the nominative and accusative singular are the same in form, so you do not see a visible ending change:

• nominative: το παιχνίδι
• accusative: το παιχνίδι

But grammatically, here it is accusative because it follows σε / στο.

Usually, yes. Παιχνίδι most often means game or match, depending on context.

In sports:

• παιχνίδι can mean game
• it can also be understood as match

So στο επόμενο παιχνίδι could be translated as:

• in the next game
• in the next match

Both are natural in English, depending on the sport and style.

Yes. This sentence uses a very straightforward and natural word order:

• Ο προπονητής = subject
• θέλει = verb
• νίκη = object
• στο επόμενο παιχνίδι = prepositional phrase

So it follows a simple Subject–Verb–Object pattern with extra information at the end.

Greek word order is more flexible than English, though. You could move parts around for emphasis. For example:

• Νίκη θέλει ο προπονητής στο επόμενο παιχνίδι.

That would sound more emphatic, something like It’s a win the coach wants in the next game.

But the original sentence is the most neutral and standard version.

Yes. Both are possible.

• νίκη literally corresponds very closely to victory
• in sports English, a win is often the most natural translation

So:

• Ο προπονητής θέλει νίκη στο επόμενο παιχνίδι.
  • The coach wants a win in the next game.
  • The coach wants victory in the next game.

The first is usually more natural in everyday sports English.

The accent marks show which syllable is stressed.

• προπονητής → pro-po-ni-TIS
• θέλει → THE-li
• νίκη → NI-ki
• επόμενο → e-PO-me-no
• παιχνίδι → peh-khni-THI

This matters because stress is important in Greek pronunciation.

A rough full pronunciation guide:

• Ο προπονητής θέλει νίκη στο επόμενο παιχνίδι
• o proponi-TIS THE-li NI-ki sto e-PO-me-no peh-khni-THI-di

That is only approximate, but the stress placement is important and worth noticing early.

In some special contexts, Greek can omit the article more than English does, especially in headlines, labels, or certain condensed styles. But in a normal full sentence like this, Ο προπονητής is the standard and natural form.

So for ordinary speech and writing:

• Ο προπονητής θέλει νίκη... = normal
• προπονητής θέλει νίκη... = unusual as a regular sentence

For a learner, it is safest to keep the article here.